Fatal error: Uncaught Error: Interface "Symfony\Cmf\Component\Routing\RouteProviderInterface" not found in C:\Apache24\htdocs\cms_upgrade\vendor\symfony-cmf\routing\src\PagedRouteProviderInterface.php:34 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cms_upgrade\vendor\symfony-cmf\routing\src\PagedRouteProviderInterface.php on line 34