Fatal error: Uncaught Error: Interface "TYPO3\CMS\Backend\LinkHandler\LinkHandlerInterface" not found in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-filelist/Classes/LinkHandler/AbstractResourceLinkHandler.php:57 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-filelist/Classes/LinkHandler/AbstractResourceLinkHandler.php on line 57