Fatal error: Uncaught Error: Class "OCP\BackgroundJob\QueuedJob" not found in /var/www/html/nextcloud/apps/user_ldap/lib/Migration/UUIDFix.php:13 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/user_ldap/lib/Migration/UUIDFix.php on line 13