Fatal error: Uncaught Error: Interface "ILIAS\Test\Participants\TableAction" not found in /var/www/html/ilias/components/ILIAS/Test/src/Participants/ParticipantTableDeleteResultsAction.php:31 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Test/src/Participants/ParticipantTableDeleteResultsAction.php on line 31