Fatal error: Uncaught Error: Interface "ILIAS\ResourceStorage\Lock\LockHandler" not found in /var/www/html/ilias/components/ILIAS/ResourceStorage/src/Lock/LockHandlerilDB.php:27 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/ResourceStorage/src/Lock/LockHandlerilDB.php on line 27