Fatal error: Uncaught Error: Class "ilTable2GUI" not found in /var/www/html/ilias/components/ILIAS/Survey/Skills/class.ilSurveySkillTableGUI.php:25 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Survey/Skills/class.ilSurveySkillTableGUI.php on line 25