Fatal error: Uncaught Error: Interface "TYPO3\CMS\Frontend\ContentObject\DataProcessorInterface" not found in /var/www/html/dev.hallescherfc.de/vendor/georgringer/news/Classes/DataProcessing/AddNewsToMenuProcessor.php:31 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/georgringer/news/Classes/DataProcessing/AddNewsToMenuProcessor.php on line 31