Fatal error: Uncaught Error: Class "ilObjectGUI" not found in /var/www/html/ilias/components/ILIAS/LearningHistory/Administration/classes/class.ilObjLearningHistorySettingsGUI.php:25 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/LearningHistory/Administration/classes/class.ilObjLearningHistorySettingsGUI.php on line 25