Fatal error: Uncaught Error: Interface "Symfony\Component\Validator\Mapping\Factory\MetadataFactoryInterface" not found in /home/iotechtniu/ioacademy/vendor/symfony/validator/Mapping/Factory/BlackHoleMetadataFactory.php:25 Stack trace: #0 {main} thrown in /home/iotechtniu/ioacademy/vendor/symfony/validator/Mapping/Factory/BlackHoleMetadataFactory.php on line 25