Fatal error: Uncaught Error: Class "ilXmlExporter" not found in /var/www/html/ilias/components/ILIAS/AssessmentQuestion/examples/class.exQuestionPoolExporter.php:5 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/AssessmentQuestion/examples/class.exQuestionPoolExporter.php on line 5