Fatal error: Uncaught Error: Class "Illuminate\Routing\AbstractRouteCollection" not found in C:\xampp\htdocs\m-admin\vendor\laravel\framework\src\Illuminate\Routing\RouteCollection.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\m-admin\vendor\laravel\framework\src\Illuminate\Routing\RouteCollection.php on line 9