Warning: Undefined variable $router in D:\xampp\htdocs\secretmgr\app\Services\NuovoRouter.php on line 3

Fatal error: Uncaught Error: Call to a member function post() on null in D:\xampp\htdocs\secretmgr\app\Services\NuovoRouter.php:3 Stack trace: #0 {main} thrown in D:\xampp\htdocs\secretmgr\app\Services\NuovoRouter.php on line 3