Fatal error: Uncaught Error: Class "ILIAS\GlobalScreen\Scope\MainMenu\Factory\AbstractChildItem" not found in /var/www/html/ilias/components/ILIAS/GlobalScreen/src/Scope/MainMenu/Factory/TopItem/TopLinkItem.php:37 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/GlobalScreen/src/Scope/MainMenu/Factory/TopItem/TopLinkItem.php on line 37