Fatal error: Uncaught Error: Class 'Symfony\Component\Runtime\GenericRuntime' not found in /home/benjamincb/demos/acdg/vendor/symfony/runtime/SymfonyRuntime.php:67 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg/vendor/symfony/runtime/SymfonyRuntime.php on line 67