Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Exception\ValidatorException" not found in /home/amper418/shopv2.amperio.ch/vendor/symfony/validator/Exception/MappingException.php:14 Stack trace: #0 {main} thrown in /home/amper418/shopv2.amperio.ch/vendor/symfony/validator/Exception/MappingException.php on line 14