Fatal error: Uncaught Error: Interface "TYPO3\CMS\Core\DependencyInjection\ServiceProviderInterface" not found in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-core/Classes/Package/AbstractServiceProvider.php:34 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-core/Classes/Package/AbstractServiceProvider.php on line 34