Fatal error: Uncaught Error: Class "ilDashboardBlockGUI" not found in /var/www/html/ilias/components/ILIAS/LearningSequence/classes/class.ilDashboardLearningSequenceGUI.php:24 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/LearningSequence/classes/class.ilDashboardLearningSequenceGUI.php on line 24