Fatal error: Uncaught Error: Class "ILIAS\ResourceStorage\Flavour\Definition\PagesToExtract" not found in /var/www/html/ilias/components/ILIAS/ResourceStorage/classes/Collections/View/PreviewDefinition.php:28 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/ResourceStorage/classes/Collections/View/PreviewDefinition.php on line 28