Fatal error: Uncaught Error: Interface "ILIAS\KioskMode\URLBuilder" not found in /var/www/html/ilias/components/ILIAS/LearningSequence/classes/Player/LSUrlBuilder.php:23 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/LearningSequence/classes/Player/LSUrlBuilder.php on line 23