Fatal error: Uncaught Error: Class "ilStudyProgrammeExpandableProgressListGUI" not found in /var/www/html/ilias/components/ILIAS/StudyProgramme/classes/class.ilStudyProgrammeIndividualPlanProgressListGUI.php:21 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/StudyProgramme/classes/class.ilStudyProgrammeIndividualPlanProgressListGUI.php on line 21