Fatal error: Uncaught Error: Interface "Psr\Http\Message\UploadedFileInterface" not found in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-core/Classes/Http/UploadedFile.php:33 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-core/Classes/Http/UploadedFile.php on line 33