Fatal error: Uncaught Error: Class "ilContainer" not found in /var/www/html/ilias/components/ILIAS/RootFolder/classes/class.ilObjRootFolder.php:23 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/RootFolder/classes/class.ilObjRootFolder.php on line 23