Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Definition\ConfigurationInterface" not found in /var/www/html/demo.ininli.ca/releases/18/vendor/symfony/security-bundle/DependencyInjection/MainConfiguration.php:30 Stack trace: #0 {main} thrown in /var/www/html/demo.ininli.ca/releases/18/vendor/symfony/security-bundle/DependencyInjection/MainConfiguration.php on line 30