Fatal error: Uncaught Error: Interface "Shopware\Core\Installer\Requirements\RequirementsValidatorInterface" not found in /home/amper418/shopv2.amperio.ch/vendor/shopware/core/Installer/Requirements/ConfigurationRequirementsValidator.php:15 Stack trace: #0 {main} thrown in /home/amper418/shopv2.amperio.ch/vendor/shopware/core/Installer/Requirements/ConfigurationRequirementsValidator.php on line 15