Fatal error: Uncaught Error: Interface "TYPO3\CMS\Frontend\ContentObject\DataProcessorInterface" not found in /var/www/html/dev.hallescherfc.de/packages/muthsevutils/Classes/DataProcessing/FileFilterProcessor.php:62 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/packages/muthsevutils/Classes/DataProcessing/FileFilterProcessor.php on line 62