Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Extension\Extension" not found in /var/www/bethesda/vendor/liip/imagine-bundle/DependencyInjection/LiipImagineExtension.php:34 Stack trace: #0 {main} thrown in /var/www/bethesda/vendor/liip/imagine-bundle/DependencyInjection/LiipImagineExtension.php on line 34