Lots of PHP webdav error after migration to version 20

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1

Hello

Since the migration of my version 19 to 20, I see that there is a lot of type error (see below). As a result, my synchronizations with Autosync on my tablets no longer work.

Can you help me ?
thank you in advance

[webdav] Fatal: TypeError: Argument 1 passed to OC\Group\Manager::getUserGroupIds() must implement interface OCP\IUser, null given, called in /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/lib/private/Share20/DefaultShareProvider.php on line 884 at <>

  1. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/lib/private/Share20/DefaultShareProvider.php line 884
    OC\Group\Manager->getUserGroupIds(null)
  2. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/lib/private/Share20/Manager.php line 1333
    OC\Share20\DefaultShareProvider->getSharedWith(“v21@test.app”, 1, OCA\DAV\Connector\Sabre\Directory {}, -1, 0)
  3. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/apps/dav/lib/Connector/Sabre/Node.php line 323
    OC\Share20\Manager->getSharedWith(“v21@test.app”, 1, OCA\DAV\Connector\Sabre\Directory {}, -1)
  4. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/apps/dav/lib/Connector/Sabre/FilesPlugin.php line 372
    OCA\DAV\Connector\Sabre\Node->getNoteFromShare(“v21@test.app”)
  5. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/3rdparty/sabre/dav/lib/DAV/PropFind.php line 96
    OCA\DAV\Connector\Sabre\FilesPlugin->OCA\DAV\Connector\Sabre{closure}("*** sensitive parameters replaced ***")
  6. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/apps/dav/lib/Connector/Sabre/FilesPlugin.php line 374
    Sabre\DAV\PropFind->handle("{http://nextcloud.org/ns}note", Closure {})
  7. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/3rdparty/sabre/event/lib/WildcardEmitterTrait.php line 89
    OCA\DAV\Connector\Sabre\FilesPlugin->handleGetProperties(Sabre\DAV\PropFind {}, OCA\DAV\Connector\Sabre\Directory {})
  8. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/3rdparty/sabre/dav/lib/DAV/Server.php line 1063
    Sabre\DAV\Server->emit(“propFind”, [Sabre\DAV\PropF … }])
  9. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/3rdparty/sabre/dav/lib/DAV/Server.php line 989
    Sabre\DAV\Server->getPropertiesByNode(Sabre\DAV\PropFind {}, OCA\DAV\Connector\Sabre\Directory {})
  10. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/3rdparty/sabre/dav/lib/DAV/Server.php line 1678
    Sabre\DAV\Server->getPropertiesIteratorForPath("", ["{http://ownclo … "], 1)
  11. /home/clients/74fcbf00195459b82a98982532cd5a5c/gedv/3rdparty/sabre/dav/lib/DAV/Server.php line 1661
    Sabre\DAV\Server->writeMultiStatus(Sabre\Xml\Writer … ]}, Generator {}, false)
  12. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/3rdparty/sabre/dav/lib/DAV/CorePlugin.php line 363
    Sabre\DAV\Server->generateMultiStatus(Generator {}, false)
  13. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/3rdparty/sabre/event/lib/WildcardEmitterTrait.php line 89
    Sabre\DAV\CorePlugin->httpPropFind(Sabre\HTTP\Request {}, Sabre\HTTP\Response {})
  14. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/3rdparty/sabre/dav/lib/DAV/Server.php line 474
    Sabre\DAV\Server->emit(“method:PROPFIND”, [Sabre\HTTP\Requ … }])
  15. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/3rdparty/sabre/dav/lib/DAV/Server.php line 251
    Sabre\DAV\Server->invokeMethod(Sabre\HTTP\Request {}, Sabre\HTTP\Response {})
  16. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/3rdparty/sabre/dav/lib/DAV/Server.php line 319
    Sabre\DAV\Server->start()
  17. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/apps/dav/appinfo/v1/webdav.php line 84
    Sabre\DAV\Server->exec()
  18. /home/clients/74fcbf00195459b82a98982532cd5a5c/ged/remote.php line 167
    require_once("/home/clients/7 … p")

PROPFIND /remote.php/webdav/
from 78.211.39.3 by V21 at 2020-10-12T16:47:17+00:00

2

I can confirm this behaviour. I see the exact same messages, every time I try to use the Android Nextcloud app.
The nextcloud app on the other hand is no longer able to update the directory listings or upload anything to nextcloud.
Another error I see frequently now:

Error: Trying to access array offset on value of type bool at /srv/www/htdocs/nextcloud/apps/dav/lib/CalDAV/CalDavBackend.php#1372

    /srv/www/htdocs/nextcloud/apps/dav/lib/CalDAV/CalDavBackend.php - line 1372:

    OC\Log\ErrorHandler::onError(8, "Trying to a ... l", "/srv/www/ht ... p", 1372, { calendarId ... e})

    /srv/www/htdocs/nextcloud/apps/dav/lib/CalDAV/Calendar.php - line 338:

    OCA\DAV\CalDAV\CalDavBackend->calendarQuery("19", { name: "VCA ... e})

    /srv/www/htdocs/nextcloud/3rdparty/sabre/dav/lib/CalDAV/Plugin.php - line 606:

    OCA\DAV\CalDAV\Calendar->calendarQuery({ name: "VCA ... e})

    /srv/www/htdocs/nextcloud/3rdparty/sabre/dav/lib/CalDAV/Plugin.php - line 260:

    Sabre\CalDAV\Plugin->calendarQueryReport(Sabre\CalDAV ... l})

    /srv/www/htdocs/nextcloud/3rdparty/sabre/event/lib/WildcardEmitterTrait.php - line 89:

    Sabre\CalDAV\Plugin->report("{urn:ietf:p ... y", Sabre\CalDAV ... l}, "calendars/a ... f")

    /srv/www/htdocs/nextcloud/3rdparty/sabre/dav/lib/DAV/CorePlugin.php - line 720:

    Sabre\DAV\Server->emit("report", [ "{urn:ietf ... "])

    /srv/www/htdocs/nextcloud/3rdparty/sabre/event/lib/WildcardEmitterTrait.php - line 89:

    Sabre\DAV\CorePlugin->httpReport(Sabre\HTTP\Request {}, Sabre\HTTP\Response {})

    /srv/www/htdocs/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php - line 474:

    Sabre\DAV\Server->emit("method:REPORT", [ Sabre\HTTP ... }])

    /srv/www/htdocs/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php - line 251:

    Sabre\DAV\Server->invokeMethod(Sabre\HTTP\Request {}, Sabre\HTTP\Response {})

    /srv/www/htdocs/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php - line 319:

    Sabre\DAV\Server->start()

    /srv/www/htdocs/nextcloud/apps/dav/appinfo/v1/caldav.php - line 106:

    Sabre\DAV\Server->exec()

    /srv/www/htdocs/nextcloud/remote.php - line 167:

    require_once("/srv/www/ht ... p")
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