Fatal error: Uncaught Error: Interface 'Symfony\Component\Validator\Mapping\Loader\LoaderInterface' not found in /home/benjamincb/demos/acdg-site/vendor/symfony/doctrine-bridge/Validator/DoctrineLoader.php:32 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/symfony/doctrine-bridge/Validator/DoctrineLoader.php on line 32