Fatal error: Uncaught Error: Interface "Nyholm\Psr7Server\ServerRequestCreatorInterface" not found in /var/www/html/dev.hallescherfc.de/vendor/nyholm/psr7-server/src/ServerRequestCreator.php:20 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/nyholm/psr7-server/src/ServerRequestCreator.php on line 20