Auth laravel parse

I have problem with login laravel parse. I use auth for connection and I use this library for to do parsehttps://github.com/sirthxalot/laravel-parse and the doc for tutorial https://laravel-parse.readthedocs.io/en/latest/fundamentals/object-model.html

if (Auth::attempt(['email' => $email, 'password' => $password])) {
                echo "OK";
            }else{
                echo "Bad post";
            }

After the post data, my result is "bad post"

please help me

via Chebli Mohamed