Fatal error: Uncaught Error: Interface "Symfony\Component\DependencyInjection\ContainerInterface" not found in /var/www/html/demo.ininli.ca/releases/18/vendor/symfony/dependency-injection/Container.php:48 Stack trace: #0 {main} thrown in /var/www/html/demo.ininli.ca/releases/18/vendor/symfony/dependency-injection/Container.php on line 48