Fatal error: Uncaught Error: Class "ilTable2GUI" not found in /var/www/html/ilias/components/ILIAS/MyStaff/classes/ListCertificates/class.ilMStListCertificatesTableGUI.php:28 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/MyStaff/classes/ListCertificates/class.ilMStListCertificatesTableGUI.php on line 28