Fatal error: Uncaught Error: Interface "TYPO3\CMS\Extbase\Persistence\QueryResultInterface" not found in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-extbase/Classes/Persistence/Generic/QueryResult.php:31 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-extbase/Classes/Persistence/Generic/QueryResult.php on line 31