Can't access my nextcloud since upgrade from 19.0.0 to 19.0.1

I can no longer access my nextcloud installed on a Raspberry Pi since I upgraded from the web admin page (19.0.0 -> 19.0.1).
There is no error during the upgrade but today no user can connect.

Here is the end of my nextcloud.log

Thanks for your help

{“reqId”:“mKbPAPApSqU5ocI2OBE4”,“level”:3,“time”:“2020-08-10T14:19:01+00:00”,“remoteAddr”:“192.168.1.10”,“user”:“stephane”,“app”:“no app in context”,“method”:“PROPFIND”,“url”:"/nextcloud/remote.php/webdav/",“message”:{“Exception”:“Doctrine\DBAL\Exception\TableNotFoundException”,“Message”:“An exception occurred while executing ‘\n\t\t\t\tSELECT remote, share_token, password, mountpoint, owner\n\t\t\t\tFROM oc_share_external\n\t\t\t\tWHERE user = ? AND accepted = ?\n\t\t\t’ with params [“stephane”, 1]:\n\nSQLSTATE[42S02]: Base table or view not found: 1146 Table ‘nextcloud.oc_share_external’ doesn’t exist”,“Code”:0,“Trace”:[{“file”:"/var/www/html/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/DBALException.php",“line”:169,“function”:“convertException”,“class”:“Doctrine\DBAL\Driver\AbstractMySQLDriver”,“type”:"->",“args”:[“An exception occurred while executing ‘\n\t\t\t\tSELECT remote, share_token, password, mountpoint, owner\n\t\t\t\tFROM oc_share_external\n\t\t\t\tWHERE user = ? AND accepted = ?\n\t\t\t’ with params [“stephane”, 1]:\n\nSQLSTATE[42S02]: Base table or view not found: 1146 Table ‘nextcloud.oc_share_external’ doesn’t exist”,{“errorInfo”:[“42S02”,1146,“Table ‘nextcloud.oc_share_external’ doesn’t exist”],“class”:“Doctrine\DBAL\Driver\PDOException”}]},{“file”:"/var/www/html/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/DBALException.php",“line”:145,“function”:“wrapException”,“class”:“Doctrine\DBAL\DBALException”,“type”:"::",“args”:[{“class”:“Doctrine\DBAL\Driver\PDOMySql\Driver”},{“errorInfo”:[“42S02”,1146,“Table ‘nextcloud.oc_share_external’ doesn’t exist”],“class”:“Doctrine\DBAL\Driver\PDOException”},“An exception occurred while executing ‘\n\t\t\t\tSELECT remote, share_token, password, mountpoint, owner\n\t\t\t\tFROM oc_share_external\n\t\t\t\tWHERE user = ? AND accepted = ?\n\t\t\t’ with params [“stephane”, 1]:\n\nSQLSTATE[42S02]: Base table or view not found: 1146 Table ‘nextcloud.oc_share_external’ doesn’t exist”]},{“file”:"/var/www/html/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Statement.php",“line”:162,“function”:“driverExceptionDuringQuery”,“class”:“Doctrine\DBAL\DBALException”,“type”:"::",“args”:[{“class”:“Doctrine\DBAL\Driver\PDOMySql\Driver”},{“errorInfo”:[“42S02”,1146,“Table ‘nextcloud.oc_share_external’ doesn’t exist”],“class”:“Doctrine\DBAL\Driver\PDOException”},"\n\t\t\t\tSELECT remote, share_token, password, mountpoint, owner\n\t\t\t\tFROM oc_share_external\n\t\t\t\tWHERE user = ? AND accepted = ?\n\t\t\t",{“1”:"** sensitive parameter replaced ",“2”:1}]},{“file”:"/var/www/html/nextcloud/apps/files_sharing/lib/External/MountProvider.php",“line”:80,“function”:“execute”,“class”:“Doctrine\DBAL\Statement”,“type”:"->",“args”:[[" sensitive parameter replaced ",1]]},{“file”:"/var/www/html/nextcloud/lib/private/Files/Config/MountProviderCollection.php",“line”:105,“function”:“getMountsForUser”,“class”:“OCA\Files_Sharing\External\MountProvider”,“type”:"->",“args”:[{“class”:“OC\User\User”},{“class”:“OC\Files\Storage\StorageFactory”}]},{“file”:"/var/www/html/nextcloud/lib/private/Files/Filesystem.php",“line”:451,“function”:“addMountForUser”,“class”:“OC\Files\Config\MountProviderCollection”,“type”:"->",“args”:[{“class”:“OC\User\User”},{“class”:“OC\Files\Mount\Manager”}]},{“file”:"/var/www/html/nextcloud/lib/private/Files/Filesystem.php",“line”:376,“function”:“initMountPoints”,“class”:“OC\Files\Filesystem”,“type”:"::",“args”:[" sensitive parameter replaced "]},{“file”:"/var/www/html/nextcloud/lib/private/legacy/OC_Util.php",“line”:308,“function”:“init”,“class”:“OC\Files\Filesystem”,“type”:"::",“args”:[" sensitive parameter replaced ","/stephane/files"]},{“file”:"/var/www/html/nextcloud/apps/dav/lib/Connector/Sabre/Auth.php",“line”:125,“function”:“setupFS”,“class”:“OC_Util”,“type”:"::",“args”:[" sensitive parameter replaced "]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Auth/Backend/AbstractBasic.php",“line”:106,“function”:“validateUserPass”,“class”:“OCA\DAV\Connector\Sabre\Auth”,“type”:"->",“args”:[" sensitive parameters replaced "]},{“file”:"/var/www/html/nextcloud/apps/dav/lib/Connector/Sabre/Auth.php",“line”:254,“function”:“check”,“class”:“Sabre\DAV\Auth\Backend\AbstractBasic”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/apps/dav/lib/Connector/Sabre/Auth.php",“line”:156,“function”:“auth”,“class”:“OCA\DAV\Connector\Sabre\Auth”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Auth/Plugin.php",“line”:192,“function”:“check”,“class”:“OCA\DAV\Connector\Sabre\Auth”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Auth/Plugin.php",“line”:144,“function”:“check”,“class”:“Sabre\DAV\Auth\Plugin”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/event/lib/WildcardEmitterTrait.php",“line”:89,“function”:“beforeMethod”,“class”:“Sabre\DAV\Auth\Plugin”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php",“line”:458,“function”:“emit”,“class”:“Sabre\DAV\Server”,“type”:"->",“args”:[“beforeMethod:PROPFIND”,[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php",“line”:251,“function”:“invokeMethod”,“class”:“Sabre\DAV\Server”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php",“line”:319,“function”:“start”,“class”:“Sabre\DAV\Server”,“type”:"->",“args”:[]},{“file”:"/var/www/html/nextcloud/apps/dav/appinfo/v1/webdav.php",“line”:82,“function”:“exec”,“class”:“Sabre\DAV\Server”,“type”:"->",“args”:[]},{“file”:"/var/www/html/nextcloud/remote.php",“line”:167,“args”:["/var/www/html/nextcloud/apps/dav/appinfo/v1/webdav.php"],“function”:“require_once”}],“File”:"/var/www/html/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php",“Line”:42,“Previous”:{“Exception”:“Doctrine\DBAL\Driver\PDOException”,“Message”:“SQLSTATE[42S02]: Base table or view not found: 1146 Table ‘nextcloud.oc_share_external’ doesn’t exist”,“Code”:“42S02”,“Trace”:[{“file”:"/var/www/html/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Statement.php",“line”:153,“function”:“execute”,“class”:“Doctrine\DBAL\Driver\PDOStatement”,“type”:"->",“args”:[[" sensitive parameter replaced ",1]]},{“file”:"/var/www/html/nextcloud/apps/files_sharing/lib/External/MountProvider.php",“line”:80,“function”:“execute”,“class”:“Doctrine\DBAL\Statement”,“type”:"->",“args”:[[" sensitive parameter replaced ",1]]},{“file”:"/var/www/html/nextcloud/lib/private/Files/Config/MountProviderCollection.php",“line”:105,“function”:“getMountsForUser”,“class”:“OCA\Files_Sharing\External\MountProvider”,“type”:"->",“args”:[{“class”:“OC\User\User”},{“class”:“OC\Files\Storage\StorageFactory”}]},{“file”:"/var/www/html/nextcloud/lib/private/Files/Filesystem.php",“line”:451,“function”:“addMountForUser”,“class”:“OC\Files\Config\MountProviderCollection”,“type”:"->",“args”:[{“class”:“OC\User\User”},{“class”:“OC\Files\Mount\Manager”}]},{“file”:"/var/www/html/nextcloud/lib/private/Files/Filesystem.php",“line”:376,“function”:“initMountPoints”,“class”:“OC\Files\Filesystem”,“type”:"::",“args”:[" sensitive parameter replaced "]},{“file”:"/var/www/html/nextcloud/lib/private/legacy/OC_Util.php",“line”:308,“function”:“init”,“class”:“OC\Files\Filesystem”,“type”:"::",“args”:[" sensitive parameter replaced ","/stephane/files"]},{“file”:"/var/www/html/nextcloud/apps/dav/lib/Connector/Sabre/Auth.php",“line”:125,“function”:“setupFS”,“class”:“OC_Util”,“type”:"::",“args”:[" sensitive parameter replaced "]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Auth/Backend/AbstractBasic.php",“line”:106,“function”:“validateUserPass”,“class”:“OCA\DAV\Connector\Sabre\Auth”,“type”:"->",“args”:[" sensitive parameters replaced "]},{“file”:"/var/www/html/nextcloud/apps/dav/lib/Connector/Sabre/Auth.php",“line”:254,“function”:“check”,“class”:“Sabre\DAV\Auth\Backend\AbstractBasic”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/apps/dav/lib/Connector/Sabre/Auth.php",“line”:156,“function”:“auth”,“class”:“OCA\DAV\Connector\Sabre\Auth”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Auth/Plugin.php",“line”:192,“function”:“check”,“class”:“OCA\DAV\Connector\Sabre\Auth”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Auth/Plugin.php",“line”:144,“function”:“check”,“class”:“Sabre\DAV\Auth\Plugin”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/event/lib/WildcardEmitterTrait.php",“line”:89,“function”:“beforeMethod”,“class”:“Sabre\DAV\Auth\Plugin”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php",“line”:458,“function”:“emit”,“class”:“Sabre\DAV\Server”,“type”:"->",“args”:[“beforeMethod:PROPFIND”,[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php",“line”:251,“function”:“invokeMethod”,“class”:“Sabre\DAV\Server”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php",“line”:319,“function”:“start”,“class”:“Sabre\DAV\Server”,“type”:"->",“args”:[]},{“file”:"/var/www/html/nextcloud/apps/dav/appinfo/v1/webdav.php",“line”:82,“function”:“exec”,“class”:“Sabre\DAV\Server”,“type”:"->",“args”:[]},{“file”:"/var/www/html/nextcloud/remote.php",“line”:167,“args”:["/var/www/html/nextcloud/apps/dav/appinfo/v1/webdav.php"],“function”:“require_once”}],“File”:"/var/www/html/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php",“Line”:119,“Previous”:{“Exception”:“PDOException”,“Message”:“SQLSTATE[42S02]: Base table or view not found: 1146 Table ‘nextcloud.oc_share_external’ doesn’t exist”,“Code”:“42S02”,“Trace”:[{“file”:"/var/www/html/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php",“line”:117,“function”:“execute”,“class”:“PDOStatement”,“type”:"->",“args”:[[" sensitive parameter replaced ",1]]},{“file”:"/var/www/html/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Statement.php",“line”:153,“function”:“execute”,“class”:“Doctrine\DBAL\Driver\PDOStatement”,“type”:"->",“args”:[[" sensitive parameter replaced ",1]]},{“file”:"/var/www/html/nextcloud/apps/files_sharing/lib/External/MountProvider.php",“line”:80,“function”:“execute”,“class”:“Doctrine\DBAL\Statement”,“type”:"->",“args”:[[" sensitive parameter replaced ",1]]},{“file”:"/var/www/html/nextcloud/lib/private/Files/Config/MountProviderCollection.php",“line”:105,“function”:“getMountsForUser”,“class”:“OCA\Files_Sharing\External\MountProvider”,“type”:"->",“args”:[{“class”:“OC\User\User”},{“class”:“OC\Files\Storage\StorageFactory”}]},{“file”:"/var/www/html/nextcloud/lib/private/Files/Filesystem.php",“line”:451,“function”:“addMountForUser”,“class”:“OC\Files\Config\MountProviderCollection”,“type”:"->",“args”:[{“class”:“OC\User\User”},{“class”:“OC\Files\Mount\Manager”}]},{“file”:"/var/www/html/nextcloud/lib/private/Files/Filesystem.php",“line”:376,“function”:“initMountPoints”,“class”:“OC\Files\Filesystem”,“type”:"::",“args”:[" sensitive parameter replaced "]},{“file”:"/var/www/html/nextcloud/lib/private/legacy/OC_Util.php",“line”:308,“function”:“init”,“class”:“OC\Files\Filesystem”,“type”:"::",“args”:[" sensitive parameter replaced ","/stephane/files"]},{“file”:"/var/www/html/nextcloud/apps/dav/lib/Connector/Sabre/Auth.php",“line”:125,“function”:“setupFS”,“class”:“OC_Util”,“type”:"::",“args”:[" sensitive parameter replaced "]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Auth/Backend/AbstractBasic.php",“line”:106,“function”:“validateUserPass”,“class”:“OCA\DAV\Connector\Sabre\Auth”,“type”:"->",“args”:[" sensitive parameters replaced **"]},{“file”:"/var/www/html/nextcloud/apps/dav/lib/Connector/Sabre/Auth.php",“line”:254,“function”:“check”,“class”:“Sabre\DAV\Auth\Backend\AbstractBasic”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/apps/dav/lib/Connector/Sabre/Auth.php",“line”:156,“function”:“auth”,“class”:“OCA\DAV\Connector\Sabre\Auth”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Auth/Plugin.php",“line”:192,“function”:“check”,“class”:“OCA\DAV\Connector\Sabre\Auth”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Auth/Plugin.php",“line”:144,“function”:“check”,“class”:“Sabre\DAV\Auth\Plugin”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/event/lib/WildcardEmitterTrait.php",“line”:89,“function”:“beforeMethod”,“class”:“Sabre\DAV\Auth\Plugin”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php",“line”:458,“function”:“emit”,“class”:“Sabre\DAV\Server”,“type”:"->",“args”:[“beforeMethod:PROPFIND”,[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php",“line”:251,“function”:“invokeMethod”,“class”:“Sabre\DAV\Server”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php",“line”:319,“function”:“start”,“class”:“Sabre\DAV\Server”,“type”:"->",“args”:[]},{“file”:"/var/www/html/nextcloud/apps/dav/appinfo/v1/webdav.php",“line”:82,“function”:“exec”,“class”:“Sabre\DAV\Server”,“type”:"->",“args”:[]},{“file”:"/var/www/html/nextcloud/remote.php",“line”:167,“args”:["/var/www/html/nextcloud/apps/dav/appinfo/v1/webdav.php"],“function”:“require_once”}],“File”:"/var/www/html/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php",“Line”:117}},“CustomMessage”:"–"},“userAgent”:“Mozilla/5.0 (Linux) mirall/2.6.4-1 (Nextcloud)”,“version”:“19.0.1.1”}
{“reqId”:“mKbPAPApSqU5ocI2OBE4”,“level”:4,“time”:“2020-08-10T14:19:01+00:00”,“remoteAddr”:“192.168.1.10”,“user”:“stephane”,“app”:“webdav”,“method”:“PROPFIND”,“url”:"/nextcloud/remote.php/webdav/",“message”:{“Exception”:“Sabre\DAV\Exception\ServiceUnavailable”,“Message”:“Doctrine\DBAL\Exception\TableNotFoundException: An exception occurred while executing ‘\n\t\t\t\tSELECT remote, share_token, password, mountpoint, owner\n\t\t\t\tFROM oc_share_external\n\t\t\t\tWHERE user = ? AND accepted = ?\n\t\t\t’ with params [“stephane”, 1]:\n\nSQLSTATE[42S02]: Base table or view not found: 1146 Table ‘nextcloud.oc_share_external’ doesn’t exist”,“Code”:0,“Trace”:[{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Auth/Plugin.php",“line”:192,“function”:“check”,“class”:“OCA\DAV\Connector\Sabre\Auth”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Auth/Plugin.php",“line”:144,“function”:“check”,“class”:“Sabre\DAV\Auth\Plugin”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/event/lib/WildcardEmitterTrait.php",“line”:89,“function”:“beforeMethod”,“class”:“Sabre\DAV\Auth\Plugin”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php",“line”:458,“function”:“emit”,“class”:“Sabre\DAV\Server”,“type”:"->",“args”:[“beforeMethod:PROPFIND”,[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php",“line”:251,“function”:“invokeMethod”,“class”:“Sabre\DAV\Server”,“type”:"->",“args”:[{“class”:“Sabre\HTTP\Request”},{“class”:“Sabre\HTTP\Response”}]},{“file”:"/var/www/html/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php",“line”:319,“function”:“start”,“class”:“Sabre\DAV\Server”,“type”:"->",“args”:[]},{“file”:"/var/www/html/nextcloud/apps/dav/appinfo/v1/webdav.php",“line”:82,“function”:“exec”,“class”:“Sabre\DAV\Server”,“type”:"->",“args”:[]},{“file”:"/var/www/html/nextcloud/remote.php",“line”:167,“args”:["/var/www/html/nextcloud/apps/dav/appinfo/v1/webdav.php"],“function”:“require_once”}],“File”:"/var/www/html/nextcloud/apps/dav/lib/Connector/Sabre/Auth.php",“Line”:163,“CustomMessage”:"–"},“userAgent”:“Mozilla/5.0 (Linux) mirall/2.6.4-1 (Nextcloud)”,“version”:“19.0.1.1”}