Fatal error: Uncaught Error: Interface "Symfony\Component\Validator\Mapping\MetadataInterface" not found in /var/www/html/API_Forum/vendor/symfony/validator/Mapping/ClassMetadataInterface.php:36 Stack trace: #0 {main} thrown in /var/www/html/API_Forum/vendor/symfony/validator/Mapping/ClassMetadataInterface.php on line 36