Fatal error: Uncaught Error: Interface "ILIAS\Mail\Autoresponder\AutoresponderCollection" not found in /var/www/html/ilias/components/ILIAS/Mail/classes/Autoresponder/AutoresponderArrayCollection.php:26 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Mail/classes/Autoresponder/AutoresponderArrayCollection.php on line 26