Fatal error: Uncaught Error: Interface "ilConditionControllerInterface" not found in /var/www/html/ilias/components/ILIAS/LearningSequence/classes/class.ilLearningSequenceConditionController.php:26 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/LearningSequence/classes/class.ilLearningSequenceConditionController.php on line 26