Fatal error: Uncaught Error: Class "ILIAS\ResourceStorage\Resource\InfoResolver\AbstractInfoResolver" not found in /var/www/html/ilias/components/ILIAS/ResourceStorage/src/Resource/InfoResolver/StreamInfoResolver.php:33 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/ResourceStorage/src/Resource/InfoResolver/StreamInfoResolver.php on line 33