Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Mapping\GenericMetadata" not found in /home/amper418/shopv2.amperio.ch/vendor/symfony/validator/Mapping/MemberMetadata.php:30 Stack trace: #0 {main} thrown in /home/amper418/shopv2.amperio.ch/vendor/symfony/validator/Mapping/MemberMetadata.php on line 30