Fatal error: Uncaught Error: Interface "Symfony\Component\Validator\Mapping\Loader\LoaderInterface" not found in /var/www/html/demo.ininli.ca/releases/18/vendor/symfony/validator/Mapping/Loader/AbstractLoader.php:28 Stack trace: #0 {main} thrown in /var/www/html/demo.ininli.ca/releases/18/vendor/symfony/validator/Mapping/Loader/AbstractLoader.php on line 28