Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\ServiceLocator" not found in /home/amper418/shopv2.amperio.ch/vendor/symfony/dependency-injection/Argument/ServiceLocator.php:21 Stack trace: #0 {main} thrown in /home/amper418/shopv2.amperio.ch/vendor/symfony/dependency-injection/Argument/ServiceLocator.php on line 21