Fatal error: Uncaught Error: Class 'Symfony\Component\DependencyInjection\Extension\Extension' not found in /home/benjamincb/demos/acdg-site/vendor/symfony/debug-bundle/DependencyInjection/DebugExtension.php:31 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/symfony/debug-bundle/DependencyInjection/DebugExtension.php on line 31