Fatal error: Uncaught Error: Interface "ILIAS\ResourceStorage\Collection\Sorter\CollectionSorter" not found in /var/www/html/ilias/components/ILIAS/ResourceStorage/src/Collection/Sorter/AbstractBaseSorter.php:32 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/ResourceStorage/src/Collection/Sorter/AbstractBaseSorter.php on line 32