Fatal error: Uncaught Error: Class "Illuminate\Routing\AbstractRouteCollection" not found in D:\Apache24\www\lupin\back-end\vendor\laravel\framework\src\Illuminate\Routing\RouteCollection.php:9 Stack trace: #0 {main} thrown in D:\Apache24\www\lupin\back-end\vendor\laravel\framework\src\Illuminate\Routing\RouteCollection.php on line 9