Fatal error: Uncaught Error: Interface "ILIAS\BackgroundTasks\Types\Type" not found in /var/www/html/ilias/components/ILIAS/BackgroundTasks/src/Types/SingleType.php:21 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/BackgroundTasks/src/Types/SingleType.php on line 21