Fatal error: Uncaught Error: Interface "TYPO3\CMS\Frontend\ContentObject\DataProcessorInterface" not found in /home/rcmch/test.m-s-i.ch/vendor/typo3/cms-frontend/Classes/DataProcessing/PageContentFetchingProcessor.php:54 Stack trace: #0 {main} thrown in /home/rcmch/test.m-s-i.ch/vendor/typo3/cms-frontend/Classes/DataProcessing/PageContentFetchingProcessor.php on line 54