Fatal error: Uncaught Error: Class "ilObject2GUI" not found in /var/www/html/ilias/components/ILIAS/Course/classes/Verification/class.ilObjCourseVerificationGUI.php:28 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Course/classes/Verification/class.ilObjCourseVerificationGUI.php on line 28