Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Exception\InvalidArgumentException" not found in /home/pataplou/www/patrick/pataplouf/vendor/symfony/validator/Exception/UnsupportedMetadataException.php:17 Stack trace: #0 {main} thrown in /home/pataplou/www/patrick/pataplouf/vendor/symfony/validator/Exception/UnsupportedMetadataException.php on line 17