Fatal error: Uncaught Error: Call to undefined function Symfony\Component\Routing\trigger_deprecation() in D:\Apache24\www\xy_yaojian\backstage\vendor\symfony\routing\RouteCollectionBuilder.php:19 Stack trace: #0 {main} thrown in D:\Apache24\www\xy_yaojian\backstage\vendor\symfony\routing\RouteCollectionBuilder.php on line 19