Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/benjamincb/demos/acdg/vendor/symfony/maker-bundle/src/DependencyInjection/MakerExtension.php:27 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg/vendor/symfony/maker-bundle/src/DependencyInjection/MakerExtension.php on line 27