Laravel : failed to open stream: Success error in auth

i use laravel 5.6 i run below command :

php artisan make:auth

After registration, I will encounter in http://localhost:8000/register the following error :

 failed to open stream: Success

or after login, I will encounter in http://localhost:8000/login the following error :

failed to open stream: No such file or directory

Thanks your help

via Chebli Mohamed