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Sorry to hear you’re facing problems 
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Or for longer, use three backticks above and below the code snippet:
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Nextcloud version : 17.03
Operating system and version : Ubuntu 16.04
Apache or nginx version : 2.4.39
PHP version : 7.3.7
The issue you are facing:
Proxy error 502 when trying to access file mounted on an SMB/CIFS external storage. Not all files will fail, but most do. I am not running a reverse proxy.
Is this the first time you’ve seen this error? (Y/N): Y
Steps to replicate it:
- Try to access a file on an external storage
The output of your Nextcloud log in Admin > Logging:
I don't know where this log is
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
$CONFIG = array (
'instanceid' => 'ocoyvtv3rxwi',
'passwordsalt' => 'XXXXXX',
'secret' => 'XXXXXX',
'trusted_domains' =>
array (
0 => '192.168.107.2',
1 => 'XXXXX.local',
2 => 'XXXXX',
3 => 'XXXXX',
),
'memcache.local' => '\\OC\\Memcache\\APCu',
'datadirectory' => '/var/nextcloud/data',
'overwrite.cli.url' => 'http://192.168.8.179/nextcloud',
'dbtype' => 'mysql',
'version' => '17.0.3.1',
'dbname' => 'nextcloud',
'dbhost' => 'localhost',
'dbport' => '',
'dbtableprefix' => 'oc_',
'dbuser' => 'nextcloud',
'dbpassword' => 'XXXX',
'logtimezone' => 'UTC',
'installed' => true,
'ldapIgnoreNamingRules' => false,
'ldapProviderFactory' => '\\OCA\\User_LDAP\\LDAPProviderFactory',
'ldapUserCleanupInterval' => 20,
'mail_smtpmode' => 'smtp',
'maintenance' => false,
'loglevel' => 2,
'mail_from_address' => 'cloud',
'mail_domain' => 'XXXXX',
'mail_smtphost' => 'XXXXXX',
'mail_smtpport' => '25',
'session_keepalive' => false,
'remember_login_cookie_lifetime' => 1296000,
'session_lifetime' => 3600,
'theme' => '',
'mysql.utf8mb4' => true,
'updater.release.channel' => 'stable',
'updater.secret' => 'XXXXXX',
);
The output of your Apache/nginx/system log in /var/log/____:
Nothing interesting