Fatal error: Uncaught Error: Interface "Symfony\Component\Validator\Mapping\Factory\MetadataFactoryInterface" not found in /home/zdpktgd/ptc/vendor.old/symfony/validator/Mapping/Factory/BlackHoleMetadataFactory.php:26 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor.old/symfony/validator/Mapping/Factory/BlackHoleMetadataFactory.php on line 26