Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/benjamincb/demos/acdg/vendor/twig/extra-bundle/DependencyInjection/TwigExtraExtension.php:24 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg/vendor/twig/extra-bundle/DependencyInjection/TwigExtraExtension.php on line 24