Cannot access Nextcloud instance via WebUI (Internal server error...)

When accessing nextcloud instance, will get to login screen, enter credentials and will be presented with:
"
Internal Server Error

The server encountered an internal error and was unable to complete your request.
Please contact the server administrator if this error reappears multiple times, please include the technical details below in your report.
More details can be found in the server log.

"

Below is output of sudo ncp-report

NextCloudPi diagnostics

NextCloudPi version  v0.46.29
NextCloudPi image    NextCloudPi_12-04-17
distribution         Raspbian GNU/Linux 9 \n \l
automount            yes
USB devices          sda sdb
datadir              /media/brickCloud/ncdata
data in SD           no
data filesystem      btrfs
data disk usage      206G/1.9T
rootfs usage         1.8G/15G
swapfile             /var/swap
Nextcloud check      ok
Nextcloud version    12.0.5.3
HTTPD service        up
PHP service          up
MariaDB service      up
Redis service        up
Postfix service      up
internet check       ok
port check 80        open
port check 443       open
IP                   192.168.1.82
gateway              192.168.1.254
interface            eth0
certificates         annawalklate.plus.com
certs due            40 days
NAT loopback         no
uptime               3min

Nextcloud configuration

{
    "system": {
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": {
            "0": "localhost",
            "5": "nextcloudpi.local",
            "1": "192.168.1.82",
            "4": "annawalklate.plus.com",
            "2": "annawalklate.plus.com"
        },
        "datadirectory": "\/media\/brickCloud\/ncdata",
        "overwrite.cli.url": "https:\/\/annawalklate.plus.com",
        "dbtype": "mysql",
        "version": "12.0.5.3",
        "dbname": "nextcloud",
        "dbhost": "localhost",
        "dbport": "",
        "dbtableprefix": "oc_",
        "mysql.utf8mb4": true,
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "instanceid": "ocs86rkb5syt",
        "memcache.local": "\\OC\\Memcache\\Redis",
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "\/var\/run\/redis\/redis.sock",
            "port": 0,
            "timeout": 0,
            "password": "***REMOVED SENSITIVE VALUE***"
        },
        "mail_smtpmode": "php",
        "mail_smtpauthtype": "LOGIN",
        "mail_from_address": "admin",
        "mail_domain": "ownyourbits.com",
        "overwriteprotocol": "https",
        "loglevel": "2",
        "log_type": "file",
        "maintenance": false,
        "logfile": "\/media\/brickCloud\/ncdata\/nextcloud.log",
        "theme": ""
    }
}

HTTPd logs

[Sat Feb 24 06:25:02.843027 2018] [ssl:warn] [pid 966:tid 1992757248] AH01909: localhost:4443:0 server certificate does NOT include an ID which matches the server name
[Sat Feb 24 06:25:03.000335 2018] [mpm_event:notice] [pid 966:tid 1992757248] AH00489: Apache/2.4.25 (Raspbian) OpenSSL/1.0.2l configured -- resuming normal operations
[Sat Feb 24 06:25:03.000409 2018] [core:notice] [pid 966:tid 1992757248] AH00094: Command line: '/usr/sbin/apache2'
[Sat Feb 24 10:41:21.788287 2018] [mpm_event:notice] [pid 966:tid 1992757248] AH00491: caught SIGTERM, shutting down
[Sat Feb 24 10:41:47.639018 2018] [ssl:warn] [pid 751:tid 1992118272] AH01909: localhost:4443:0 server certificate does NOT include an ID which matches the server name
[Sat Feb 24 10:41:48.052118 2018] [ssl:warn] [pid 963:tid 1992118272] AH01909: localhost:4443:0 server certificate does NOT include an ID which matches the server name
[Sat Feb 24 10:41:49.003412 2018] [mpm_event:notice] [pid 963:tid 1992118272] AH00489: Apache/2.4.25 (Raspbian) OpenSSL/1.0.2l configured -- resuming normal operations
[Sat Feb 24 10:41:49.003559 2018] [core:notice] [pid 963:tid 1992118272] AH00094: Command line: '/usr/sbin/apache2'

Logs:

Database logs

2018-02-24 11:17:16 1988431872 [Note] InnoDB: Compressed tables use zlib 1.2.8
2018-02-24 11:17:16 1988431872 [Note] InnoDB: Using Linux native AIO
2018-02-24 11:17:16 1988431872 [Note] InnoDB: Using generic crc32 instructions
2018-02-24 11:17:16 1988431872 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2018-02-24 11:17:16 1988431872 [Note] InnoDB: Completed initialization of buffer pool
2018-02-24 11:17:16 1988431872 [Note] InnoDB: Highest supported file format is Barracuda.
2018-02-24 11:17:16 1988431872 [Note] InnoDB: Starting crash recovery from checkpoint LSN=574111306
2018-02-24 11:17:16 1988431872 [Note] InnoDB: Restoring possible half-written data pages from the doublewrite buffer...
2018-02-24 11:17:17 1988431872 [Note] InnoDB: Starting final batch to recover 3 pages from redo log
2018-02-24 11:17:17 1988431872 [Note] InnoDB: 128 rollback segment(s) are active.
2018-02-24 11:17:17 1988431872 [Note] InnoDB: Waiting for purge to start
2018-02-24 11:17:17 1988431872 [Note] InnoDB:  Percona XtraDB (http://www.percona.com) 5.6.35-80.0 started; log sequence number 574111761
2018-02-24 11:17:18 1434448704 [Note] InnoDB: Dumping buffer pool(s) not yet started
2018-02-24 11:17:18 1988431872 [Note] Plugin 'FEEDBACK' is disabled.
2018-02-24 11:17:18 1988431872 [Note] Recovering after a crash using tc.log
2018-02-24 11:17:18 1988431872 [Note] Starting crash recovery...
2018-02-24 11:17:18 1988431872 [Note] Crash recovery finished.
2018-02-24 11:17:18 1988431872 [Note] Server socket created on IP: '127.0.0.1'.
2018-02-24 11:17:18 1988431872 [Note] /usr/sbin/mysqld: ready for connections.
Version: '10.1.23-MariaDB-9+deb9u1'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  Raspbian 9.0

Nextcloud logs

{"reqId":"WpFEO38AAQEAAAQcepAAAE8H","level":3,"time":"2018-02-24T10:53:48+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"PHP","method":"GET","url":"\/index.php\/apps\/files\/","message":"PDOStatement::execute(): MySQL server has gone away at \/var\/www\/nextcloud\/3rdparty\/doctrine\/dbal\/lib\/Doctrine\/DBAL\/Driver\/PDOStatement.php#91","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"}
{"reqId":"WpFEO38AAQEAAAQcepAAAE8H","level":3,"time":"2018-02-24T10:53:48+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"PHP","method":"GET","url":"\/index.php\/apps\/files\/","message":"PDOStatement::execute(): Error reading result set's header at \/var\/www\/nextcloud\/3rdparty\/doctrine\/dbal\/lib\/Doctrine\/DBAL\/Driver\/PDOStatement.php#91","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"}
{"reqId":"WpFEO38AAQEAAAQcepAAAE8H","level":3,"time":"2018-02-24T10:53:48+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"index","method":"GET","url":"\/index.php\/apps\/files\/","message":"Exception: {\"Exception\":\"Doctrine\\\\DBAL\\\\Exception\\\\DriverException\",\"Message\":\"An exception occurred while executing 'SELECT `fileid`, `storage`, `path`, `path_hash`, `parent`, `name`, `mimetype`, `mimepart`, `size`, `mtime`,\\n\\t\\t\\t\\t\\t   `storage_mtime`, `encrypted`, `etag`, `permissions`, `checksum`\\n\\t\\t\\t\\tFROM `oc_filecache` WHERE `storage` = ? AND `path_hash` = ?' with params [3, \\\"3606c2ac606744a0d9dc4a8ce11a11c7\\\"]:\\n\\nSQLSTATE[HY000]: General error: 2006 MySQL server has gone away\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/DBALException.php(128): Doctrine\\\\DBAL\\\\Driver\\\\AbstractMySQLDriver->convertException('An exception oc...', Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException))\\n#1 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Connection.php(855): Doctrine\\\\DBAL\\\\DBALException::driverExceptionDuringQuery(Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOMySql\\\\Driver), Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException), 'SELECT `fileid`...', Array)\\n#2 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/DB\\\/Connection.php(192): Doctrine\\\\DBAL\\\\Connection->executeQuery('SELECT `fileid`...', Array, Array, NULL)\\n#3 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Cache\\\/Cache.php(137): OC\\\\DB\\\\Connection->executeQuery('SELECT `fileid`...', Array)\\n#4 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1326): OC\\\\Files\\\\Cache\\\\Cache->get('appdata_ocs86rk...')\\n#5 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1379): OC\\\\Files\\\\View->getCacheEntry(Object(OCA\\\\Files_Trashbin\\\\Storage), 'appdata_ocs86rk...', '\\\/appdata_ocs86r...')\\n#6 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Root.php(196): OC\\\\Files\\\\View->getFileInfo('\\\/appdata_ocs86r...')\\n#7 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Folder.php(133): OC\\\\Files\\\\Node\\\\Root->get('\\\/appdata_ocs86r...')\\n#8 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/SimpleFS\\\/SimpleFolder.php(73): OC\\\\Files\\\\Node\\\\Folder->get('86b2830bdbc7ca7...')\\n#9 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/SCSSCacher.php(139): OC\\\\Files\\\\SimpleFS\\\\SimpleFolder->getFile('86b2830bdbc7ca7...')\\n#10 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/SCSSCacher.php(114): OC\\\\Template\\\\SCSSCacher->isCached('86b2830bdbc7ca7...', Object(OC\\\\Files\\\\SimpleFS\\\\SimpleFolder))\\n#11 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/CSSResourceLocator.php(105): OC\\\\Template\\\\SCSSCacher->process('\\\/var\\\/www\\\/nextcl...', 'css\\\/mergedAddit...', 'files_sharing')\\n#12 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/CSSResourceLocator.php(80): OC\\\\Template\\\\CSSResourceLocator->cacheAndAppendScssIfExist('\\\/var\\\/www\\\/nextcl...', 'css\\\/mergedAddit...', 'files_sharing')\\n#13 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/ResourceLocator.php(76): OC\\\\Template\\\\CSSResourceLocator->doFind('css\\\/mergedAddit...')\\n#14 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(234): OC\\\\Template\\\\ResourceLocator->find(Array)\\n#15 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(179): OC\\\\TemplateLayout::findStylesheetFiles(Array)\\n#16 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/legacy\\\/template.php(205): OC\\\\TemplateLayout->__construct('user', 'files')\\n#17 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/public\\\/AppFramework\\\/Http\\\/TemplateResponse.php(157): OC_Template->fetchPage()\\n#18 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Http\\\/Dispatcher.php(113): OCP\\\\AppFramework\\\\Http\\\\TemplateResponse->render()\\n#19 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/App.php(114): OC\\\\AppFramework\\\\Http\\\\Dispatcher->dispatch(Object(OCA\\\\Files\\\\Controller\\\\ViewController), 'index')\\n#20 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Routing\\\/RouteActionHandler.php(47): OC\\\\AppFramework\\\\App::main('ViewController', 'index', Object(OC\\\\AppFramework\\\\DependencyInjection\\\\DIContainer), Array)\\n#21 [internal function]: OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler->__invoke(Array)\\n#22 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Route\\\/Router.php(299): call_user_func(Object(OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler), Array)\\n#23 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1004): OC\\\\Route\\\\Router->match('\\\/apps\\\/files\\\/')\\n#24 \\\/var\\\/www\\\/nextcloud\\\/index.php(48): OC::handleRequest()\\n#25 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Driver\\\/AbstractMySQLDriver.php\",\"Line\":116}","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"}
{"reqId":"WpFEO38AAQEAAAQcepAAAE8H","level":3,"time":"2018-02-24T10:53:48+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"core","method":"GET","url":"\/index.php\/apps\/files\/","message":"Exception: {\"Exception\":\"Doctrine\\\\DBAL\\\\Exception\\\\DriverException\",\"Message\":\"An exception occurred while executing 'SELECT `fileid`, `storage`, `path`, `path_hash`, `parent`, `name`, `mimetype`, `mimepart`, `size`, `mtime`,\\n\\t\\t\\t\\t\\t   `storage_mtime`, `encrypted`, `etag`, `permissions`, `checksum`\\n\\t\\t\\t\\tFROM `oc_filecache` WHERE `storage` = ? AND `path_hash` = ?' with params [3, \\\"3606c2ac606744a0d9dc4a8ce11a11c7\\\"]:\\n\\nSQLSTATE[HY000]: General error: 2006 MySQL server has gone away\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/DBALException.php(128): Doctrine\\\\DBAL\\\\Driver\\\\AbstractMySQLDriver->convertException('An exception oc...', Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException))\\n#1 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Connection.php(855): Doctrine\\\\DBAL\\\\DBALException::driverExceptionDuringQuery(Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOMySql\\\\Driver), Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException), 'SELECT `fileid`...', Array)\\n#2 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/DB\\\/Connection.php(192): Doctrine\\\\DBAL\\\\Connection->executeQuery('SELECT `fileid`...', Array, Array, NULL)\\n#3 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Cache\\\/Cache.php(137): OC\\\\DB\\\\Connection->executeQuery('SELECT `fileid`...', Array)\\n#4 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1326): OC\\\\Files\\\\Cache\\\\Cache->get('appdata_ocs86rk...')\\n#5 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1379): OC\\\\Files\\\\View->getCacheEntry(Object(OCA\\\\Files_Trashbin\\\\Storage), 'appdata_ocs86rk...', '\\\/appdata_ocs86r...')\\n#6 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Root.php(196): OC\\\\Files\\\\View->getFileInfo('\\\/appdata_ocs86r...')\\n#7 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Folder.php(133): OC\\\\Files\\\\Node\\\\Root->get('\\\/appdata_ocs86r...')\\n#8 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/SimpleFS\\\/SimpleFolder.php(73): OC\\\\Files\\\\Node\\\\Folder->get('86b2830bdbc7ca7...')\\n#9 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/SCSSCacher.php(139): OC\\\\Files\\\\SimpleFS\\\\SimpleFolder->getFile('86b2830bdbc7ca7...')\\n#10 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/SCSSCacher.php(114): OC\\\\Template\\\\SCSSCacher->isCached('86b2830bdbc7ca7...', Object(OC\\\\Files\\\\SimpleFS\\\\SimpleFolder))\\n#11 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/CSSResourceLocator.php(105): OC\\\\Template\\\\SCSSCacher->process('\\\/var\\\/www\\\/nextcl...', 'css\\\/mergedAddit...', 'files_sharing')\\n#12 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/CSSResourceLocator.php(80): OC\\\\Template\\\\CSSResourceLocator->cacheAndAppendScssIfExist('\\\/var\\\/www\\\/nextcl...', 'css\\\/mergedAddit...', 'files_sharing')\\n#13 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/ResourceLocator.php(76): OC\\\\Template\\\\CSSResourceLocator->doFind('css\\\/mergedAddit...')\\n#14 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(234): OC\\\\Template\\\\ResourceLocator->find(Array)\\n#15 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(179): OC\\\\TemplateLayout::findStylesheetFiles(Array)\\n#16 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/legacy\\\/template.php(205): OC\\\\TemplateLayout->__construct('user', 'files')\\n#17 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/public\\\/AppFramework\\\/Http\\\/TemplateResponse.php(157): OC_Template->fetchPage()\\n#18 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Http\\\/Dispatcher.php(113): OCP\\\\AppFramework\\\\Http\\\\TemplateResponse->render()\\n#19 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/App.php(114): OC\\\\AppFramework\\\\Http\\\\Dispatcher->dispatch(Object(OCA\\\\Files\\\\Controller\\\\ViewController), 'index')\\n#20 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Routing\\\/RouteActionHandler.php(47): OC\\\\AppFramework\\\\App::main('ViewController', 'index', Object(OC\\\\AppFramework\\\\DependencyInjection\\\\DIContainer), Array)\\n#21 [internal function]: OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler->__invoke(Array)\\n#22 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Route\\\/Router.php(299): call_user_func(Object(OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler), Array)\\n#23 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1004): OC\\\\Route\\\\Router->match('\\\/apps\\\/files\\\/')\\n#24 \\\/var\\\/www\\\/nextcloud\\\/index.php(48): OC::handleRequest()\\n#25 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Driver\\\/AbstractMySQLDriver.php\",\"Line\":116}","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"}
{"reqId":"WpFEO38AAQEAAAQcepAAAE8H","level":3,"time":"2018-02-24T10:53:48+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"core","method":"GET","url":"\/index.php\/apps\/files\/","message":"Exception: {\"Exception\":\"Doctrine\\\\DBAL\\\\Exception\\\\DriverException\",\"Message\":\"An exception occurred while executing 'SELECT `fileid`, `storage`, `path`, `path_hash`, `parent`, `name`, `mimetype`, `mimepart`, `size`, `mtime`,\\n\\t\\t\\t\\t\\t   `storage_mtime`, `encrypted`, `etag`, `permissions`, `checksum`\\n\\t\\t\\t\\tFROM `oc_filecache` WHERE `storage` = ? AND `path_hash` = ?' with params [3, \\\"09b30b36b608145ff93ecb920d00cf38\\\"]:\\n\\nSQLSTATE[HY000]: General error: 2006 MySQL server has gone away\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/DBALException.php(128): Doctrine\\\\DBAL\\\\Driver\\\\AbstractMySQLDriver->convertException('An exception oc...', Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException))\\n#1 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Connection.php(855): Doctrine\\\\DBAL\\\\DBALException::driverExceptionDuringQuery(Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOMySql\\\\Driver), Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException), 'SELECT `fileid`...', Array)\\n#2 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/DB\\\/Connection.php(192): Doctrine\\\\DBAL\\\\Connection->executeQuery('SELECT `fileid`...', Array, Array, NULL)\\n#3 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Cache\\\/Cache.php(137): OC\\\\DB\\\\Connection->executeQuery('SELECT `fileid`...', Array)\\n#4 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1326): OC\\\\Files\\\\Cache\\\\Cache->get('appdata_ocs86rk...')\\n#5 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1379): OC\\\\Files\\\\View->getCacheEntry(Object(OCA\\\\Files_Trashbin\\\\Storage), 'appdata_ocs86rk...', '\\\/appdata_ocs86r...')\\n#6 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Root.php(196): OC\\\\Files\\\\View->getFileInfo('\\\/appdata_ocs86r...')\\n#7 [internal function]: OC\\\\Files\\\\Node\\\\Root->get('\\\/appdata_ocs86r...')\\n#8 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/LazyRoot.php(63): call_user_func_array(Array, Array)\\n#9 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/LazyRoot.php(140): OC\\\\Files\\\\Node\\\\LazyRoot->__call('get', Array)\\n#10 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/AppData\\\/AppData.php(79): OC\\\\Files\\\\Node\\\\LazyRoot->get('appdata_ocs86rk...')\\n#11 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/AppData\\\/AppData.php(105): OC\\\\Files\\\\AppData\\\\AppData->getAppDataFolder()\\n#12 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/JSCombiner.php(80): OC\\\\Files\\\\AppData\\\\AppData->getFolder('core')\\n#13 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/JSResourceLocator.php(112): OC\\\\Template\\\\JSCombiner->process('\\\/var\\\/www\\\/nextcl...', 'core\\\/js\\\/merged-...', 'core')\\n#14 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/JSResourceLocator.php(68): OC\\\\Template\\\\JSResourceLocator->cacheAndAppendCombineJsonIfExist('\\\/var\\\/www\\\/nextcl...', 'core\\\/js\\\/merged-...')\\n#15 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/ResourceLocator.php(76): OC\\\\Template\\\\JSResourceLocator->doFind('js\\\/merged-templ...')\\n#16 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(258): OC\\\\Template\\\\ResourceLocator->find(Array)\\n#17 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(141): OC\\\\TemplateLayout::findJavascriptFiles(Array)\\n#18 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/legacy\\\/template.php(205): OC\\\\TemplateLayout->__construct('error', '')\\n#19 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/Base.php(132): OC_Template->fetchPage()\\n#20 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/legacy\\\/template.php(342): OC\\\\Template\\\\Base->printPage()\\n#21 \\\/var\\\/www\\\/nextcloud\\\/index.php(67): OC_Template::printExceptionErrorPage(Object(Doctrine\\\\DBAL\\\\Exception\\\\DriverException))\\n#22 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Driver\\\/AbstractMySQLDriver.php\",\"Line\":116}","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"}
</details>

More nextcloud logs:

Nextcloud logs part 2 {"reqId":"WpFFPn8AAQEAAAQcepMAAFMK","level":3,"time":"2018-02-24T10:58:06+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"PHP","method":"GET","url":"\/index.php\/apps\/files\/","message":"PDOStatement::execute(): MySQL server has gone away at \/var\/www\/nextcloud\/3rdparty\/doctrine\/dbal\/lib\/Doctrine\/DBAL\/Driver\/PDOStatement.php#91","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"} {"reqId":"WpFFPn8AAQEAAAQcepMAAFMK","level":3,"time":"2018-02-24T10:58:06+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"PHP","method":"GET","url":"\/index.php\/apps\/files\/","message":"PDOStatement::execute(): Error reading result set's header at \/var\/www\/nextcloud\/3rdparty\/doctrine\/dbal\/lib\/Doctrine\/DBAL\/Driver\/PDOStatement.php#91","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"} {"reqId":"WpFFPn8AAQEAAAQcepMAAFMK","level":3,"time":"2018-02-24T10:58:06+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"index","method":"GET","url":"\/index.php\/apps\/files\/","message":"Exception: {\"Exception\":\"Doctrine\\\\DBAL\\\\Exception\\\\DriverException\",\"Message\":\"An exception occurred while executing 'SELECT `fileid`, `storage`, `path`, `path_hash`, `parent`, `name`, `mimetype`, `mimepart`, `size`, `mtime`,\\n\\t\\t\\t\\t\\t `storage_mtime`, `encrypted`, `etag`, `permissions`, `checksum`\\n\\t\\t\\t\\tFROM `oc_filecache` WHERE `storage` = ? AND `path_hash` = ?' with params [3, \\\"3606c2ac606744a0d9dc4a8ce11a11c7\\\"]:\\n\\nSQLSTATE[HY000]: General error: 2006 MySQL server has gone away\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/DBALException.php(128): Doctrine\\\\DBAL\\\\Driver\\\\AbstractMySQLDriver->convertException('An exception oc...', Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException))\\n#1 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Connection.php(855): Doctrine\\\\DBAL\\\\DBALException::driverExceptionDuringQuery(Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOMySql\\\\Driver), Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException), 'SELECT `fileid`...', Array)\\n#2 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/DB\\\/Connection.php(192): Doctrine\\\\DBAL\\\\Connection->executeQuery('SELECT `fileid`...', Array, Array, NULL)\\n#3 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Cache\\\/Cache.php(137): OC\\\\DB\\\\Connection->executeQuery('SELECT `fileid`...', Array)\\n#4 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1326): OC\\\\Files\\\\Cache\\\\Cache->get('appdata_ocs86rk...')\\n#5 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1379): OC\\\\Files\\\\View->getCacheEntry(Object(OCA\\\\Files_Trashbin\\\\Storage), 'appdata_ocs86rk...', '\\\/appdata_ocs86r...')\\n#6 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Root.php(196): OC\\\\Files\\\\View->getFileInfo('\\\/appdata_ocs86r...')\\n#7 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Folder.php(133): OC\\\\Files\\\\Node\\\\Root->get('\\\/appdata_ocs86r...')\\n#8 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/SimpleFS\\\/SimpleFolder.php(73): OC\\\\Files\\\\Node\\\\Folder->get('86b2830bdbc7ca7...')\\n#9 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/SCSSCacher.php(139): OC\\\\Files\\\\SimpleFS\\\\SimpleFolder->getFile('86b2830bdbc7ca7...')\\n#10 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/SCSSCacher.php(114): OC\\\\Template\\\\SCSSCacher->isCached('86b2830bdbc7ca7...', Object(OC\\\\Files\\\\SimpleFS\\\\SimpleFolder))\\n#11 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/CSSResourceLocator.php(105): OC\\\\Template\\\\SCSSCacher->process('\\\/var\\\/www\\\/nextcl...', 'css\\\/mergedAddit...', 'files_sharing')\\n#12 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/CSSResourceLocator.php(80): OC\\\\Template\\\\CSSResourceLocator->cacheAndAppendScssIfExist('\\\/var\\\/www\\\/nextcl...', 'css\\\/mergedAddit...', 'files_sharing')\\n#13 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/ResourceLocator.php(76): OC\\\\Template\\\\CSSResourceLocator->doFind('css\\\/mergedAddit...')\\n#14 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(234): OC\\\\Template\\\\ResourceLocator->find(Array)\\n#15 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(179): OC\\\\TemplateLayout::findStylesheetFiles(Array)\\n#16 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/legacy\\\/template.php(205): OC\\\\TemplateLayout->__construct('user', 'files')\\n#17 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/public\\\/AppFramework\\\/Http\\\/TemplateResponse.php(157): OC_Template->fetchPage()\\n#18 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Http\\\/Dispatcher.php(113): OCP\\\\AppFramework\\\\Http\\\\TemplateResponse->render()\\n#19 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/App.php(114): OC\\\\AppFramework\\\\Http\\\\Dispatcher->dispatch(Object(OCA\\\\Files\\\\Controller\\\\ViewController), 'index')\\n#20 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Routing\\\/RouteActionHandler.php(47): OC\\\\AppFramework\\\\App::main('ViewController', 'index', Object(OC\\\\AppFramework\\\\DependencyInjection\\\\DIContainer), Array)\\n#21 [internal function]: OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler->__invoke(Array)\\n#22 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Route\\\/Router.php(299): call_user_func(Object(OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler), Array)\\n#23 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1004): OC\\\\Route\\\\Router->match('\\\/apps\\\/files\\\/')\\n#24 \\\/var\\\/www\\\/nextcloud\\\/index.php(48): OC::handleRequest()\\n#25 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Driver\\\/AbstractMySQLDriver.php\",\"Line\":116}","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"} {"reqId":"WpFFPn8AAQEAAAQcepMAAFMK","level":3,"time":"2018-02-24T10:58:06+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"core","method":"GET","url":"\/index.php\/apps\/files\/","message":"Exception: {\"Exception\":\"Doctrine\\\\DBAL\\\\Exception\\\\DriverException\",\"Message\":\"An exception occurred while executing 'SELECT `fileid`, `storage`, `path`, `path_hash`, `parent`, `name`, `mimetype`, `mimepart`, `size`, `mtime`,\\n\\t\\t\\t\\t\\t `storage_mtime`, `encrypted`, `etag`, `permissions`, `checksum`\\n\\t\\t\\t\\tFROM `oc_filecache` WHERE `storage` = ? AND `path_hash` = ?' with params [3, \\\"3606c2ac606744a0d9dc4a8ce11a11c7\\\"]:\\n\\nSQLSTATE[HY000]: General error: 2006 MySQL server has gone away\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/DBALException.php(128): Doctrine\\\\DBAL\\\\Driver\\\\AbstractMySQLDriver->convertException('An exception oc...', Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException))\\n#1 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Connection.php(855): Doctrine\\\\DBAL\\\\DBALException::driverExceptionDuringQuery(Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOMySql\\\\Driver), Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException), 'SELECT `fileid`...', Array)\\n#2 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/DB\\\/Connection.php(192): Doctrine\\\\DBAL\\\\Connection->executeQuery('SELECT `fileid`...', Array, Array, NULL)\\n#3 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Cache\\\/Cache.php(137): OC\\\\DB\\\\Connection->executeQuery('SELECT `fileid`...', Array)\\n#4 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1326): OC\\\\Files\\\\Cache\\\\Cache->get('appdata_ocs86rk...')\\n#5 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1379): OC\\\\Files\\\\View->getCacheEntry(Object(OCA\\\\Files_Trashbin\\\\Storage), 'appdata_ocs86rk...', '\\\/appdata_ocs86r...')\\n#6 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Root.php(196): OC\\\\Files\\\\View->getFileInfo('\\\/appdata_ocs86r...')\\n#7 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Folder.php(133): OC\\\\Files\\\\Node\\\\Root->get('\\\/appdata_ocs86r...')\\n#8 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/SimpleFS\\\/SimpleFolder.php(73): OC\\\\Files\\\\Node\\\\Folder->get('86b2830bdbc7ca7...')\\n#9 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/SCSSCacher.php(139): OC\\\\Files\\\\SimpleFS\\\\SimpleFolder->getFile('86b2830bdbc7ca7...')\\n#10 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/SCSSCacher.php(114): OC\\\\Template\\\\SCSSCacher->isCached('86b2830bdbc7ca7...', Object(OC\\\\Files\\\\SimpleFS\\\\SimpleFolder))\\n#11 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/CSSResourceLocator.php(105): OC\\\\Template\\\\SCSSCacher->process('\\\/var\\\/www\\\/nextcl...', 'css\\\/mergedAddit...', 'files_sharing')\\n#12 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/CSSResourceLocator.php(80): OC\\\\Template\\\\CSSResourceLocator->cacheAndAppendScssIfExist('\\\/var\\\/www\\\/nextcl...', 'css\\\/mergedAddit...', 'files_sharing')\\n#13 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/ResourceLocator.php(76): OC\\\\Template\\\\CSSResourceLocator->doFind('css\\\/mergedAddit...')\\n#14 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(234): OC\\\\Template\\\\ResourceLocator->find(Array)\\n#15 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(179): OC\\\\TemplateLayout::findStylesheetFiles(Array)\\n#16 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/legacy\\\/template.php(205): OC\\\\TemplateLayout->__construct('user', 'files')\\n#17 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/public\\\/AppFramework\\\/Http\\\/TemplateResponse.php(157): OC_Template->fetchPage()\\n#18 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Http\\\/Dispatcher.php(113): OCP\\\\AppFramework\\\\Http\\\\TemplateResponse->render()\\n#19 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/App.php(114): OC\\\\AppFramework\\\\Http\\\\Dispatcher->dispatch(Object(OCA\\\\Files\\\\Controller\\\\ViewController), 'index')\\n#20 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Routing\\\/RouteActionHandler.php(47): OC\\\\AppFramework\\\\App::main('ViewController', 'index', Object(OC\\\\AppFramework\\\\DependencyInjection\\\\DIContainer), Array)\\n#21 [internal function]: OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler->__invoke(Array)\\n#22 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Route\\\/Router.php(299): call_user_func(Object(OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler), Array)\\n#23 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1004): OC\\\\Route\\\\Router->match('\\\/apps\\\/files\\\/')\\n#24 \\\/var\\\/www\\\/nextcloud\\\/index.php(48): OC::handleRequest()\\n#25 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Driver\\\/AbstractMySQLDriver.php\",\"Line\":116}","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"} {"reqId":"WpFFPn8AAQEAAAQcepMAAFMK","level":3,"time":"2018-02-24T10:58:06+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"core","method":"GET","url":"\/index.php\/apps\/files\/","message":"Exception: {\"Exception\":\"Doctrine\\\\DBAL\\\\Exception\\\\DriverException\",\"Message\":\"An exception occurred while executing 'SELECT `fileid`, `storage`, `path`, `path_hash`, `parent`, `name`, `mimetype`, `mimepart`, `size`, `mtime`,\\n\\t\\t\\t\\t\\t `storage_mtime`, `encrypted`, `etag`, `permissions`, `checksum`\\n\\t\\t\\t\\tFROM `oc_filecache` WHERE `storage` = ? AND `path_hash` = ?' with params [3, \\\"09b30b36b608145ff93ecb920d00cf38\\\"]:\\n\\nSQLSTATE[HY000]: General error: 2006 MySQL server has gone away\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/DBALException.php(128): Doctrine\\\\DBAL\\\\Driver\\\\AbstractMySQLDriver->convertException('An exception oc...', Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException))\\n#1 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Connection.php(855): Doctrine\\\\DBAL\\\\DBALException::driverExceptionDuringQuery(Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOMySql\\\\Driver), Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException), 'SELECT `fileid`...', Array)\\n#2 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/DB\\\/Connection.php(192): Doctrine\\\\DBAL\\\\Connection->executeQuery('SELECT `fileid`...', Array, Array, NULL)\\n#3 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Cache\\\/Cache.php(137): OC\\\\DB\\\\Connection->executeQuery('SELECT `fileid`...', Array)\\n#4 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1326): OC\\\\Files\\\\Cache\\\\Cache->get('appdata_ocs86rk...')\\n#5 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1379): OC\\\\Files\\\\View->getCacheEntry(Object(OCA\\\\Files_Trashbin\\\\Storage), 'appdata_ocs86rk...', '\\\/appdata_ocs86r...')\\n#6 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Root.php(196): OC\\\\Files\\\\View->getFileInfo('\\\/appdata_ocs86r...')\\n#7 [internal function]: OC\\\\Files\\\\Node\\\\Root->get('\\\/appdata_ocs86r...')\\n#8 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/LazyRoot.php(63): call_user_func_array(Array, Array)\\n#9 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/LazyRoot.php(140): OC\\\\Files\\\\Node\\\\LazyRoot->__call('get', Array)\\n#10 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/AppData\\\/AppData.php(79): OC\\\\Files\\\\Node\\\\LazyRoot->get('appdata_ocs86rk...')\\n#11 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/AppData\\\/AppData.php(105): OC\\\\Files\\\\AppData\\\\AppData->getAppDataFolder()\\n#12 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/JSCombiner.php(80): OC\\\\Files\\\\AppData\\\\AppData->getFolder('core')\\n#13 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/JSResourceLocator.php(112): OC\\\\Template\\\\JSCombiner->process('\\\/var\\\/www\\\/nextcl...', 'core\\\/js\\\/merged-...', 'core')\\n#14 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/JSResourceLocator.php(68): OC\\\\Template\\\\JSResourceLocator->cacheAndAppendCombineJsonIfExist('\\\/var\\\/www\\\/nextcl...', 'core\\\/js\\\/merged-...')\\n#15 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/ResourceLocator.php(76): OC\\\\Template\\\\JSResourceLocator->doFind('js\\\/merged-templ...')\\n#16 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(258): OC\\\\Template\\\\ResourceLocator->find(Array)\\n#17 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(141): OC\\\\TemplateLayout::findJavascriptFiles(Array)\\n#18 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/legacy\\\/template.php(205): OC\\\\TemplateLayout->__construct('error', '')\\n#19 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/Base.php(132): OC_Template->fetchPage()\\n#20 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/legacy\\\/template.php(342): OC\\\\Template\\\\Base->printPage()\\n#21 \\\/var\\\/www\\\/nextcloud\\\/index.php(67): OC_Template::printExceptionErrorPage(Object(Doctrine\\\\DBAL\\\\Exception\\\\DriverException))\\n#22 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Driver\\\/AbstractMySQLDriver.php\",\"Line\":116}","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"} {"reqId":"WpFJq38AAQEAAAQbyBUAAAgF","level":3,"time":"2018-02-24T11:16:59+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"PHP","method":"GET","url":"\/index.php\/apps\/files\/","message":"PDOStatement::execute(): MySQL server has gone away at \/var\/www\/nextcloud\/3rdparty\/doctrine\/dbal\/lib\/Doctrine\/DBAL\/Driver\/PDOStatement.php#91","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"} {"reqId":"WpFJqn8AAQEAAAQbyBQAAAgE","level":3,"time":"2018-02-24T11:16:59+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"PHP","method":"GET","url":"\/index.php\/apps\/files\/","message":"PDOStatement::execute(): MySQL server has gone away at \/var\/www\/nextcloud\/3rdparty\/doctrine\/dbal\/lib\/Doctrine\/DBAL\/Driver\/PDOStatement.php#91","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"} {"reqId":"WpFJqn8AAQEAAAQbyBQAAAgE","level":3,"time":"2018-02-24T11:16:59+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"PHP","method":"GET","url":"\/index.php\/apps\/files\/","message":"PDOStatement::execute(): Error reading result set's header at \/var\/www\/nextcloud\/3rdparty\/doctrine\/dbal\/lib\/Doctrine\/DBAL\/Driver\/PDOStatement.php#91","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"} {"reqId":"WpFJq38AAQEAAAQbyBUAAAgF","level":3,"time":"2018-02-24T11:16:59+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"PHP","method":"GET","url":"\/index.php\/apps\/files\/","message":"PDOStatement::execute(): Error reading result set's header at \/var\/www\/nextcloud\/3rdparty\/doctrine\/dbal\/lib\/Doctrine\/DBAL\/Driver\/PDOStatement.php#91","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"} {"reqId":"WpFJq38AAQEAAAQbyBUAAAgF","level":3,"time":"2018-02-24T11:16:59+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"index","method":"GET","url":"\/index.php\/apps\/files\/","message":"Exception: {\"Exception\":\"Doctrine\\\\DBAL\\\\Exception\\\\DriverException\",\"Message\":\"An exception occurred while executing 'SELECT `fileid`, `storage`, `path`, `path_hash`, `parent`, `name`, `mimetype`, `mimepart`, `size`, `mtime`,\\n\\t\\t\\t\\t\\t `storage_mtime`, `encrypted`, `etag`, `permissions`, `checksum`\\n\\t\\t\\t\\tFROM `oc_filecache` WHERE `storage` = ? AND `path_hash` = ?' with params [3, \\\"6dcc618529f4f09c76432728e90440ad\\\"]:\\n\\nSQLSTATE[HY000]: General error: 2006 MySQL server has gone away\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/DBALException.php(128): Doctrine\\\\DBAL\\\\Driver\\\\AbstractMySQLDriver->convertException('An exception oc...', Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException))\\n#1 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Connection.php(855): Doctrine\\\\DBAL\\\\DBALException::driverExceptionDuringQuery(Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOMySql\\\\Driver), Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException), 'SELECT `fileid`...', Array)\\n#2 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/DB\\\/Connection.php(192): Doctrine\\\\DBAL\\\\Connection->executeQuery('SELECT `fileid`...', Array, Array, NULL)\\n#3 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Cache\\\/Cache.php(137): OC\\\\DB\\\\Connection->executeQuery('SELECT `fileid`...', Array)\\n#4 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1326): OC\\\\Files\\\\Cache\\\\Cache->get('appdata_ocs86rk...')\\n#5 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1379): OC\\\\Files\\\\View->getCacheEntry(Object(OCA\\\\Files_Trashbin\\\\Storage), 'appdata_ocs86rk...', '\\\/appdata_ocs86r...')\\n#6 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Root.php(196): OC\\\\Files\\\\View->getFileInfo('\\\/appdata_ocs86r...')\\n#7 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Folder.php(133): OC\\\\Files\\\\Node\\\\Root->get('\\\/appdata_ocs86r...')\\n#8 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/SimpleFS\\\/SimpleFolder.php(73): OC\\\\Files\\\\Node\\\\Folder->get('86b2830bdbc7ca7...')\\n#9 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/SCSSCacher.php(139): OC\\\\Files\\\\SimpleFS\\\\SimpleFolder->getFile('86b2830bdbc7ca7...')\\n#10 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/SCSSCacher.php(114): OC\\\\Template\\\\SCSSCacher->isCached('86b2830bdbc7ca7...', Object(OC\\\\Files\\\\SimpleFS\\\\SimpleFolder))\\n#11 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/CSSResourceLocator.php(105): OC\\\\Template\\\\SCSSCacher->process('\\\/var\\\/www\\\/nextcl...', 'core\\\/css\\\/server...', 'core')\\n#12 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/CSSResourceLocator.php(57): OC\\\\Template\\\\CSSResourceLocator->cacheAndAppendScssIfExist('\\\/var\\\/www\\\/nextcl...', 'core\\\/css\\\/server...')\\n#13 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/ResourceLocator.php(76): OC\\\\Template\\\\CSSResourceLocator->doFind('css\\\/server')\\n#14 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(234): OC\\\\Template\\\\ResourceLocator->find(Array)\\n#15 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(179): OC\\\\TemplateLayout::findStylesheetFiles(Array)\\n#16 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/legacy\\\/template.php(205): OC\\\\TemplateLayout->__construct('user', 'files')\\n#17 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/public\\\/AppFramework\\\/Http\\\/TemplateResponse.php(157): OC_Template->fetchPage()\\n#18 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Http\\\/Dispatcher.php(113): OCP\\\\AppFramework\\\\Http\\\\TemplateResponse->render()\\n#19 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/App.php(114): OC\\\\AppFramework\\\\Http\\\\Dispatcher->dispatch(Object(OCA\\\\Files\\\\Controller\\\\ViewController), 'index')\\n#20 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Routing\\\/RouteActionHandler.php(47): OC\\\\AppFramework\\\\App::main('ViewController', 'index', Object(OC\\\\AppFramework\\\\DependencyInjection\\\\DIContainer), Array)\\n#21 [internal function]: OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler->__invoke(Array)\\n#22 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Route\\\/Router.php(299): call_user_func(Object(OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler), Array)\\n#23 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1004): OC\\\\Route\\\\Router->match('\\\/apps\\\/files\\\/')\\n#24 \\\/var\\\/www\\\/nextcloud\\\/index.php(48): OC::handleRequest()\\n#25 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Driver\\\/AbstractMySQLDriver.php\",\"Line\":116}","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"} {"reqId":"WpFJqn8AAQEAAAQbyBQAAAgE","level":3,"time":"2018-02-24T11:16:59+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"index","method":"GET","url":"\/index.php\/apps\/files\/","message":"Exception: {\"Exception\":\"Doctrine\\\\DBAL\\\\Exception\\\\DriverException\",\"Message\":\"An exception occurred while executing 'SELECT `fileid`, `storage`, `path`, `path_hash`, `parent`, `name`, `mimetype`, `mimepart`, `size`, `mtime`,\\n\\t\\t\\t\\t\\t `storage_mtime`, `encrypted`, `etag`, `permissions`, `checksum`\\n\\t\\t\\t\\tFROM `oc_filecache` WHERE `storage` = ? AND `path_hash` = ?' with params [3, \\\"3606c2ac606744a0d9dc4a8ce11a11c7\\\"]:\\n\\nSQLSTATE[HY000]: General error: 2006 MySQL server has gone away\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/DBALException.php(128): Doctrine\\\\DBAL\\\\Driver\\\\AbstractMySQLDriver->convertException('An exception oc...', Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException))\\n#1 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Connection.php(855): Doctrine\\\\DBAL\\\\DBALException::driverExceptionDuringQuery(Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOMySql\\\\Driver), Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException), 'SELECT `fileid`...', Array)\\n#2 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/DB\\\/Connection.php(192): Doctrine\\\\DBAL\\\\Connection->executeQuery('SELECT `fileid`...', Array, Array, NULL)\\n#3 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Cache\\\/Cache.php(137): OC\\\\DB\\\\Connection->executeQuery('SELECT `fileid`...', Array)\\n#4 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1326): OC\\\\Files\\\\Cache\\\\Cache->get('appdata_ocs86rk...')\\n#5 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1379): OC\\\\Files\\\\View->getCacheEntry(Object(OCA\\\\Files_Trashbin\\\\Storage), 'appdata_ocs86rk...', '\\\/appdata_ocs86r...')\\n#6 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Root.php(196): OC\\\\Files\\\\View->getFileInfo('\\\/appdata_ocs86r...')\\n#7 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Folder.php(133): OC\\\\Files\\\\Node\\\\Root->get('\\\/appdata_ocs86r...')\\n#8 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/SimpleFS\\\/SimpleFolder.php(73): OC\\\\Files\\\\Node\\\\Folder->get('86b2830bdbc7ca7...')\\n#9 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/SCSSCacher.php(139): OC\\\\Files\\\\SimpleFS\\\\SimpleFolder->getFile('86b2830bdbc7ca7...')\\n#10 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/SCSSCacher.php(114): OC\\\\Template\\\\SCSSCacher->isCached('86b2830bdbc7ca7...', Object(OC\\\\Files\\\\SimpleFS\\\\SimpleFolder))\\n#11 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/CSSResourceLocator.php(105): OC\\\\Template\\\\SCSSCacher->process('\\\/var\\\/www\\\/nextcl...', 'css\\\/mergedAddit...', 'files_sharing')\\n#12 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/CSSResourceLocator.php(80): OC\\\\Template\\\\CSSResourceLocator->cacheAndAppendScssIfExist('\\\/var\\\/www\\\/nextcl...', 'css\\\/mergedAddit...', 'files_sharing')\\n#13 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/ResourceLocator.php(76): OC\\\\Template\\\\CSSResourceLocator->doFind('css\\\/mergedAddit...')\\n#14 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(234): OC\\\\Template\\\\ResourceLocator->find(Array)\\n#15 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(179): OC\\\\TemplateLayout::findStylesheetFiles(Array)\\n#16 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/legacy\\\/template.php(205): OC\\\\TemplateLayout->__construct('user', 'files')\\n#17 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/public\\\/AppFramework\\\/Http\\\/TemplateResponse.php(157): OC_Template->fetchPage()\\n#18 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Http\\\/Dispatcher.php(113): OCP\\\\AppFramework\\\\Http\\\\TemplateResponse->render()\\n#19 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/App.php(114): OC\\\\AppFramework\\\\Http\\\\Dispatcher->dispatch(Object(OCA\\\\Files\\\\Controller\\\\ViewController), 'index')\\n#20 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Routing\\\/RouteActionHandler.php(47): OC\\\\AppFramework\\\\App::main('ViewController', 'index', Object(OC\\\\AppFramework\\\\DependencyInjection\\\\DIContainer), Array)\\n#21 [internal function]: OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler->__invoke(Array)\\n#22 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Route\\\/Router.php(299): call_user_func(Object(OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler), Array)\\n#23 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1004): OC\\\\Route\\\\Router->match('\\\/apps\\\/files\\\/')\\n#24 \\\/var\\\/www\\\/nextcloud\\\/index.php(48): OC::handleRequest()\\n#25

Last one…

Nextcloud logs part 3 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Driver\\\/AbstractMySQLDriver.php\",\"Line\":116}","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"} {"reqId":"WpFJq38AAQEAAAQbyBUAAAgF","level":3,"time":"2018-02-24T11:16:59+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"core","method":"GET","url":"\/index.php\/apps\/files\/","message":"Exception: {\"Exception\":\"Doctrine\\\\DBAL\\\\Exception\\\\DriverException\",\"Message\":\"An exception occurred while executing 'SELECT `fileid`, `storage`, `path`, `path_hash`, `parent`, `name`, `mimetype`, `mimepart`, `size`, `mtime`,\\n\\t\\t\\t\\t\\t `storage_mtime`, `encrypted`, `etag`, `permissions`, `checksum`\\n\\t\\t\\t\\tFROM `oc_filecache` WHERE `storage` = ? AND `path_hash` = ?' with params [3, \\\"6dcc618529f4f09c76432728e90440ad\\\"]:\\n\\nSQLSTATE[HY000]: General error: 2006 MySQL server has gone away\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/DBALException.php(128): Doctrine\\\\DBAL\\\\Driver\\\\AbstractMySQLDriver->convertException('An exception oc...', Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException))\\n#1 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Connection.php(855): Doctrine\\\\DBAL\\\\DBALException::driverExceptionDuringQuery(Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOMySql\\\\Driver), Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException), 'SELECT `fileid`...', Array)\\n#2 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/DB\\\/Connection.php(192): Doctrine\\\\DBAL\\\\Connection->executeQuery('SELECT `fileid`...', Array, Array, NULL)\\n#3 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Cache\\\/Cache.php(137): OC\\\\DB\\\\Connection->executeQuery('SELECT `fileid`...', Array)\\n#4 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1326): OC\\\\Files\\\\Cache\\\\Cache->get('appdata_ocs86rk...')\\n#5 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1379): OC\\\\Files\\\\View->getCacheEntry(Object(OCA\\\\Files_Trashbin\\\\Storage), 'appdata_ocs86rk...', '\\\/appdata_ocs86r...')\\n#6 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Root.php(196): OC\\\\Files\\\\View->getFileInfo('\\\/appdata_ocs86r...')\\n#7 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Folder.php(133): OC\\\\Files\\\\Node\\\\Root->get('\\\/appdata_ocs86r...')\\n#8 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/SimpleFS\\\/SimpleFolder.php(73): OC\\\\Files\\\\Node\\\\Folder->get('86b2830bdbc7ca7...')\\n#9 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/SCSSCacher.php(139): OC\\\\Files\\\\SimpleFS\\\\SimpleFolder->getFile('86b2830bdbc7ca7...')\\n#10 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/SCSSCacher.php(114): OC\\\\Template\\\\SCSSCacher->isCached('86b2830bdbc7ca7...', Object(OC\\\\Files\\\\SimpleFS\\\\SimpleFolder))\\n#11 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/CSSResourceLocator.php(105): OC\\\\Template\\\\SCSSCacher->process('\\\/var\\\/www\\\/nextcl...', 'core\\\/css\\\/server...', 'core')\\n#12 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/CSSResourceLocator.php(57): OC\\\\Template\\\\CSSResourceLocator->cacheAndAppendScssIfExist('\\\/var\\\/www\\\/nextcl...', 'core\\\/css\\\/server...')\\n#13 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/ResourceLocator.php(76): OC\\\\Template\\\\CSSResourceLocator->doFind('css\\\/server')\\n#14 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(234): OC\\\\Template\\\\ResourceLocator->find(Array)\\n#15 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(179): OC\\\\TemplateLayout::findStylesheetFiles(Array)\\n#16 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/legacy\\\/template.php(205): OC\\\\TemplateLayout->__construct('user', 'files')\\n#17 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/public\\\/AppFramework\\\/Http\\\/TemplateResponse.php(157): OC_Template->fetchPage()\\n#18 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Http\\\/Dispatcher.php(113): OCP\\\\AppFramework\\\\Http\\\\TemplateResponse->render()\\n#19 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/App.php(114): OC\\\\AppFramework\\\\Http\\\\Dispatcher->dispatch(Object(OCA\\\\Files\\\\Controller\\\\ViewController), 'index')\\n#20 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Routing\\\/RouteActionHandler.php(47): OC\\\\AppFramework\\\\App::main('ViewController', 'index', Object(OC\\\\AppFramework\\\\DependencyInjection\\\\DIContainer), Array)\\n#21 [internal function]: OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler->__invoke(Array)\\n#22 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Route\\\/Router.php(299): call_user_func(Object(OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler), Array)\\n#23 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1004): OC\\\\Route\\\\Router->match('\\\/apps\\\/files\\\/')\\n#24 \\\/var\\\/www\\\/nextcloud\\\/index.php(48): OC::handleRequest()\\n#25 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Driver\\\/AbstractMySQLDriver.php\",\"Line\":116}","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"} {"reqId":"WpFJqn8AAQEAAAQbyBQAAAgE","level":3,"time":"2018-02-24T11:16:59+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"core","method":"GET","url":"\/index.php\/apps\/files\/","message":"Exception: {\"Exception\":\"Doctrine\\\\DBAL\\\\Exception\\\\DriverException\",\"Message\":\"An exception occurred while executing 'SELECT `fileid`, `storage`, `path`, `path_hash`, `parent`, `name`, `mimetype`, `mimepart`, `size`, `mtime`,\\n\\t\\t\\t\\t\\t `storage_mtime`, `encrypted`, `etag`, `permissions`, `checksum`\\n\\t\\t\\t\\tFROM `oc_filecache` WHERE `storage` = ? AND `path_hash` = ?' with params [3, \\\"3606c2ac606744a0d9dc4a8ce11a11c7\\\"]:\\n\\nSQLSTATE[HY000]: General error: 2006 MySQL server has gone away\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/DBALException.php(128): Doctrine\\\\DBAL\\\\Driver\\\\AbstractMySQLDriver->convertException('An exception oc...', Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException))\\n#1 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Connection.php(855): Doctrine\\\\DBAL\\\\DBALException::driverExceptionDuringQuery(Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOMySql\\\\Driver), Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException), 'SELECT `fileid`...', Array)\\n#2 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/DB\\\/Connection.php(192): Doctrine\\\\DBAL\\\\Connection->executeQuery('SELECT `fileid`...', Array, Array, NULL)\\n#3 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Cache\\\/Cache.php(137): OC\\\\DB\\\\Connection->executeQuery('SELECT `fileid`...', Array)\\n#4 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1326): OC\\\\Files\\\\Cache\\\\Cache->get('appdata_ocs86rk...')\\n#5 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1379): OC\\\\Files\\\\View->getCacheEntry(Object(OCA\\\\Files_Trashbin\\\\Storage), 'appdata_ocs86rk...', '\\\/appdata_ocs86r...')\\n#6 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Root.php(196): OC\\\\Files\\\\View->getFileInfo('\\\/appdata_ocs86r...')\\n#7 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Folder.php(133): OC\\\\Files\\\\Node\\\\Root->get('\\\/appdata_ocs86r...')\\n#8 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/SimpleFS\\\/SimpleFolder.php(73): OC\\\\Files\\\\Node\\\\Folder->get('86b2830bdbc7ca7...')\\n#9 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/SCSSCacher.php(139): OC\\\\Files\\\\SimpleFS\\\\SimpleFolder->getFile('86b2830bdbc7ca7...')\\n#10 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/SCSSCacher.php(114): OC\\\\Template\\\\SCSSCacher->isCached('86b2830bdbc7ca7...', Object(OC\\\\Files\\\\SimpleFS\\\\SimpleFolder))\\n#11 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/CSSResourceLocator.php(105): OC\\\\Template\\\\SCSSCacher->process('\\\/var\\\/www\\\/nextcl...', 'css\\\/mergedAddit...', 'files_sharing')\\n#12 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/CSSResourceLocator.php(80): OC\\\\Template\\\\CSSResourceLocator->cacheAndAppendScssIfExist('\\\/var\\\/www\\\/nextcl...', 'css\\\/mergedAddit...', 'files_sharing')\\n#13 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/ResourceLocator.php(76): OC\\\\Template\\\\CSSResourceLocator->doFind('css\\\/mergedAddit...')\\n#14 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(234): OC\\\\Template\\\\ResourceLocator->find(Array)\\n#15 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(179): OC\\\\TemplateLayout::findStylesheetFiles(Array)\\n#16 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/legacy\\\/template.php(205): OC\\\\TemplateLayout->__construct('user', 'files')\\n#17 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/public\\\/AppFramework\\\/Http\\\/TemplateResponse.php(157): OC_Template->fetchPage()\\n#18 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Http\\\/Dispatcher.php(113): OCP\\\\AppFramework\\\\Http\\\\TemplateResponse->render()\\n#19 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/App.php(114): OC\\\\AppFramework\\\\Http\\\\Dispatcher->dispatch(Object(OCA\\\\Files\\\\Controller\\\\ViewController), 'index')\\n#20 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/AppFramework\\\/Routing\\\/RouteActionHandler.php(47): OC\\\\AppFramework\\\\App::main('ViewController', 'index', Object(OC\\\\AppFramework\\\\DependencyInjection\\\\DIContainer), Array)\\n#21 [internal function]: OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler->__invoke(Array)\\n#22 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Route\\\/Router.php(299): call_user_func(Object(OC\\\\AppFramework\\\\Routing\\\\RouteActionHandler), Array)\\n#23 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1004): OC\\\\Route\\\\Router->match('\\\/apps\\\/files\\\/')\\n#24 \\\/var\\\/www\\\/nextcloud\\\/index.php(48): OC::handleRequest()\\n#25 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Driver\\\/AbstractMySQLDriver.php\",\"Line\":116}","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"} {"reqId":"WpFJqn8AAQEAAAQbyBQAAAgE","level":3,"time":"2018-02-24T11:16:59+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"core","method":"GET","url":"\/index.php\/apps\/files\/","message":"Exception: {\"Exception\":\"Doctrine\\\\DBAL\\\\Exception\\\\DriverException\",\"Message\":\"An exception occurred while executing 'SELECT `fileid`, `storage`, `path`, `path_hash`, `parent`, `name`, `mimetype`, `mimepart`, `size`, `mtime`,\\n\\t\\t\\t\\t\\t `storage_mtime`, `encrypted`, `etag`, `permissions`, `checksum`\\n\\t\\t\\t\\tFROM `oc_filecache` WHERE `storage` = ? AND `path_hash` = ?' with params [3, \\\"09b30b36b608145ff93ecb920d00cf38\\\"]:\\n\\nSQLSTATE[HY000]: General error: 2006 MySQL server has gone away\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/DBALException.php(128): Doctrine\\\\DBAL\\\\Driver\\\\AbstractMySQLDriver->convertException('An exception oc...', Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException))\\n#1 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Connection.php(855): Doctrine\\\\DBAL\\\\DBALException::driverExceptionDuringQuery(Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOMySql\\\\Driver), Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException), 'SELECT `fileid`...', Array)\\n#2 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/DB\\\/Connection.php(192): Doctrine\\\\DBAL\\\\Connection->executeQuery('SELECT `fileid`...', Array, Array, NULL)\\n#3 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Cache\\\/Cache.php(137): OC\\\\DB\\\\Connection->executeQuery('SELECT `fileid`...', Array)\\n#4 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1326): OC\\\\Files\\\\Cache\\\\Cache->get('appdata_ocs86rk...')\\n#5 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1379): OC\\\\Files\\\\View->getCacheEntry(Object(OCA\\\\Files_Trashbin\\\\Storage), 'appdata_ocs86rk...', '\\\/appdata_ocs86r...')\\n#6 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Root.php(196): OC\\\\Files\\\\View->getFileInfo('\\\/appdata_ocs86r...')\\n#7 [internal function]: OC\\\\Files\\\\Node\\\\Root->get('\\\/appdata_ocs86r...')\\n#8 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/LazyRoot.php(63): call_user_func_array(Array, Array)\\n#9 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/LazyRoot.php(140): OC\\\\Files\\\\Node\\\\LazyRoot->__call('get', Array)\\n#10 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/AppData\\\/AppData.php(79): OC\\\\Files\\\\Node\\\\LazyRoot->get('appdata_ocs86rk...')\\n#11 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/AppData\\\/AppData.php(105): OC\\\\Files\\\\AppData\\\\AppData->getAppDataFolder()\\n#12 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/JSCombiner.php(80): OC\\\\Files\\\\AppData\\\\AppData->getFolder('core')\\n#13 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/JSResourceLocator.php(112): OC\\\\Template\\\\JSCombiner->process('\\\/var\\\/www\\\/nextcl...', 'core\\\/js\\\/merged-...', 'core')\\n#14 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/JSResourceLocator.php(68): OC\\\\Template\\\\JSResourceLocator->cacheAndAppendCombineJsonIfExist('\\\/var\\\/www\\\/nextcl...', 'core\\\/js\\\/merged-...')\\n#15 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/ResourceLocator.php(76): OC\\\\Template\\\\JSResourceLocator->doFind('js\\\/merged-templ...')\\n#16 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(258): OC\\\\Template\\\\ResourceLocator->find(Array)\\n#17 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(141): OC\\\\TemplateLayout::findJavascriptFiles(Array)\\n#18 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/legacy\\\/template.php(205): OC\\\\TemplateLayout->__construct('error', '')\\n#19 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/Base.php(132): OC_Template->fetchPage()\\n#20 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/legacy\\\/template.php(342): OC\\\\Template\\\\Base->printPage()\\n#21 \\\/var\\\/www\\\/nextcloud\\\/index.php(67): OC_Template::printExceptionErrorPage(Object(Doctrine\\\\DBAL\\\\Exception\\\\DriverException))\\n#22 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Driver\\\/AbstractMySQLDriver.php\",\"Line\":116}","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"} {"reqId":"WpFJq38AAQEAAAQbyBUAAAgF","level":3,"time":"2018-02-24T11:16:59+00:00","remoteAddr":"31.100.184.161","user":"admin","app":"core","method":"GET","url":"\/index.php\/apps\/files\/","message":"Exception: {\"Exception\":\"Doctrine\\\\DBAL\\\\Exception\\\\DriverException\",\"Message\":\"An exception occurred while executing 'SELECT `fileid`, `storage`, `path`, `path_hash`, `parent`, `name`, `mimetype`, `mimepart`, `size`, `mtime`,\\n\\t\\t\\t\\t\\t `storage_mtime`, `encrypted`, `etag`, `permissions`, `checksum`\\n\\t\\t\\t\\tFROM `oc_filecache` WHERE `storage` = ? AND `path_hash` = ?' with params [3, \\\"09b30b36b608145ff93ecb920d00cf38\\\"]:\\n\\nSQLSTATE[HY000]: General error: 2006 MySQL server has gone away\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/DBALException.php(128): Doctrine\\\\DBAL\\\\Driver\\\\AbstractMySQLDriver->convertException('An exception oc...', Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException))\\n#1 \\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Connection.php(855): Doctrine\\\\DBAL\\\\DBALException::driverExceptionDuringQuery(Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOMySql\\\\Driver), Object(Doctrine\\\\DBAL\\\\Driver\\\\PDOException), 'SELECT `fileid`...', Array)\\n#2 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/DB\\\/Connection.php(192): Doctrine\\\\DBAL\\\\Connection->executeQuery('SELECT `fileid`...', Array, Array, NULL)\\n#3 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Cache\\\/Cache.php(137): OC\\\\DB\\\\Connection->executeQuery('SELECT `fileid`...', Array)\\n#4 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1326): OC\\\\Files\\\\Cache\\\\Cache->get('appdata_ocs86rk...')\\n#5 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/View.php(1379): OC\\\\Files\\\\View->getCacheEntry(Object(OCA\\\\Files_Trashbin\\\\Storage), 'appdata_ocs86rk...', '\\\/appdata_ocs86r...')\\n#6 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/Root.php(196): OC\\\\Files\\\\View->getFileInfo('\\\/appdata_ocs86r...')\\n#7 [internal function]: OC\\\\Files\\\\Node\\\\Root->get('\\\/appdata_ocs86r...')\\n#8 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/LazyRoot.php(63): call_user_func_array(Array, Array)\\n#9 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/Node\\\/LazyRoot.php(140): OC\\\\Files\\\\Node\\\\LazyRoot->__call('get', Array)\\n#10 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/AppData\\\/AppData.php(79): OC\\\\Files\\\\Node\\\\LazyRoot->get('appdata_ocs86rk...')\\n#11 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Files\\\/AppData\\\/AppData.php(105): OC\\\\Files\\\\AppData\\\\AppData->getAppDataFolder()\\n#12 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/JSCombiner.php(80): OC\\\\Files\\\\AppData\\\\AppData->getFolder('core')\\n#13 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/JSResourceLocator.php(112): OC\\\\Template\\\\JSCombiner->process('\\\/var\\\/www\\\/nextcl...', 'core\\\/js\\\/merged-...', 'core')\\n#14 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/JSResourceLocator.php(68): OC\\\\Template\\\\JSResourceLocator->cacheAndAppendCombineJsonIfExist('\\\/var\\\/www\\\/nextcl...', 'core\\\/js\\\/merged-...')\\n#15 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/ResourceLocator.php(76): OC\\\\Template\\\\JSResourceLocator->doFind('js\\\/merged-templ...')\\n#16 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(258): OC\\\\Template\\\\ResourceLocator->find(Array)\\n#17 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/TemplateLayout.php(141): OC\\\\TemplateLayout::findJavascriptFiles(Array)\\n#18 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/legacy\\\/template.php(205): OC\\\\TemplateLayout->__construct('error', '')\\n#19 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/Template\\\/Base.php(132): OC_Template->fetchPage()\\n#20 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/private\\\/legacy\\\/template.php(342): OC\\\\Template\\\\Base->printPage()\\n#21 \\\/var\\\/www\\\/nextcloud\\\/index.php(67): OC_Template::printExceptionErrorPage(Object(Doctrine\\\\DBAL\\\\Exception\\\\DriverException))\\n#22 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/3rdparty\\\/doctrine\\\/dbal\\\/lib\\\/Doctrine\\\/DBAL\\\/Driver\\\/AbstractMySQLDriver.php\",\"Line\":116}","userAgent":"Mozilla\/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.167 Safari\/537.36","version":"12.0.5.3"}
</details>

I upgraded via command line to NC13 - now working smoothly :slight_smile: