Errore "server 43 forbidden" dopo aggiornamento

Dopo l’aggiornamento continuo a ricevere questo messaggio su qualsiasi file. Potete aiutarmi?

Error: file_put_contents(/var/snap/nextcloud/common/nextcloud/storage/gianluca/Desktop/ZENTRUM.pdf): Failed to open stream: Read-only file system at /snap/nextcloud/33587/htdocs/lib/private/Files/Storage/Local.php#311

  1. <>OC\Log\ErrorHandler::onError()
  2. /snap/nextcloud/33587/htdocs/lib/private/Files/Storage/Local.php - line 311:file_put_contents()
  3. /snap/nextcloud/33587/htdocs/lib/private/Files/Storage/Wrapper/Wrapper.php - line 258:OC\Files\Storage\Local->file_put_contents()
  4. /snap/nextcloud/33587/htdocs/lib/private/Files/Storage/Wrapper/Wrapper.php - line 258:OC\Files\Storage\Wrapper\Wrapper->file_put_contents()
  5. /snap/nextcloud/33587/htdocs/lib/private/Files/Storage/Wrapper/PermissionsMask.php - line 112:OC\Files\Storage\Wrapper\Wrapper->file_put_contents()
  6. /snap/nextcloud/33587/htdocs/lib/private/Files/Storage/Wrapper/Jail.php - line 268:OC\Files\Storage\Wrapper\PermissionsMask->file_put_contents()
  7. /snap/nextcloud/33587/htdocs/apps/files_sharing/lib/SharedStorage.php - line 553:OC\Files\Storage\Wrapper\Jail->file_put_contents()
  8. /snap/nextcloud/33587/htdocs/lib/private/Files/Storage/Wrapper/Wrapper.php - line 258:OCA\Files_Sharing\SharedStorage->file_put_contents()
  9. /snap/nextcloud/33587/htdocs/lib/private/Files/View.php - line 1179:OC\Files\Storage\Wrapper\Wrapper->file_put_contents()
  10. /snap/nextcloud/33587/htdocs/lib/private/Files/View.php - line 705:OC\Files\View->basicOperation()
  11. /snap/nextcloud/33587/htdocs/lib/private/Files/Node/Folder.php - line 192:OC\Files\View->file_put_contents()
  12. /snap/nextcloud/33587/htdocs/apps/dav/lib/BulkUpload/BulkUploadPlugin.php - line 92:OC\Files\Node\Folder->newFile()
  13. /snap/nextcloud/33587/htdocs/3rdparty/sabre/event/lib/WildcardEmitterTrait.php - line 89:OCA\DAV\BulkUpload\BulkUploadPlugin->httpPost()
  14. /snap/nextcloud/33587/htdocs/3rdparty/sabre/dav/lib/DAV/Server.php - line 472:Sabre\DAV\Server->emit()
  15. /snap/nextcloud/33587/htdocs/3rdparty/sabre/dav/lib/DAV/Server.php - line 253:Sabre\DAV\Server->invokeMethod()
  16. /snap/nextcloud/33587/htdocs/3rdparty/sabre/dav/lib/DAV/Server.php - line 321:Sabre\DAV\Server->start()
  17. /snap/nextcloud/33587/htdocs/apps/dav/lib/Server.php - line 360:Sabre\DAV\Server->exec()
  18. /snap/nextcloud/33587/htdocs/apps/dav/appinfo/v2/remote.php - line 35:OCA\DAV\Server->exec()
  19. /snap/nextcloud/33587/htdocs/remote.php - line 171:require_once(“/snap/nextc … p”)