Fatal error: Uncaught Error: Interface "ILIAS\MetaData\XML\Copyright\Links\LinkGeneratorInterface" not found in /var/www/html/ilias/components/ILIAS/MetaData/classes/XML/Links/LinkGenerator.php:29 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/MetaData/classes/XML/Links/LinkGenerator.php on line 29