Fatal error: Uncaught Error: Interface 'Symfony\Component\Config\FileLocatorInterface' not found in /home/benjamincb/demos/acdg-site/vendor/symfony/config/FileLocator.php:21 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/symfony/config/FileLocator.php on line 21