Fatal error: Uncaught Error: Interface "ILIAS\GlobalScreen\UI\Footer\Groups\Group" not found in /var/www/html/ilias/components/ILIAS/GlobalScreen_/classes/UI/Footer/Groups/GroupDTO.php:21 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/GlobalScreen_/classes/UI/Footer/Groups/GroupDTO.php on line 21