Fatal error: Uncaught Error: Class "ilDidacticTemplateFilterPattern" not found in /var/www/html/ilias/components/ILIAS/DidacticTemplate/classes/Pattern/class.ilDidacticTemplateIncludeFilterPattern.php:11 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/DidacticTemplate/classes/Pattern/class.ilDidacticTemplateIncludeFilterPattern.php on line 11