Fatal error: Uncaught Error: Interface "ilAssSelfAssessmentMigrator" not found in /var/www/html/ilias/components/ILIAS/TestQuestionPool/classes/questions/class.ilAssSelfAssessmentQuestionFormatter.php:22 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/TestQuestionPool/classes/questions/class.ilAssSelfAssessmentQuestionFormatter.php on line 22