Fatal error: Uncaught Error: Interface 'Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface' not found in /home/benjamincb/demos/acdg-site/vendor/knplabs/knp-menu-bundle/src/DependencyInjection/Compiler/AddExtensionsPass.php:18 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/knplabs/knp-menu-bundle/src/DependencyInjection/Compiler/AddExtensionsPass.php on line 18