Fatal error: Uncaught Error: Class "ilLearningProgressBaseGUI" not found in /var/www/html/ilias/components/ILIAS/Tracking/classes/object_statistics/class.ilLPObjectStatisticsGUI.php:29 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Tracking/classes/object_statistics/class.ilLPObjectStatisticsGUI.php on line 29