Fatal error: Uncaught Error: Class "ilLMException" not found in /var/www/html/ilias/components/ILIAS/LearningModule/exceptions/class.ilLMOldExportFileException.php:22 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/LearningModule/exceptions/class.ilLMOldExportFileException.php on line 22