Argument 1 passed to Illuminate\Auth\SessionGuard::login() must be an instance of Illuminate\Contracts\Auth\Authenticatable, instance of App\User given,

Use laravel's built-in registration authentication system to register an account, and the following error is prompted. After Google, I found an answer on github and solved it. share

Argument 1 passed to Illuminate\Auth\SessionGuard::login() must be an instance of Illuminate\Contracts\Auth\Authenticatable, instance of App\User given,

 

As follows, modify your User model

use Illuminate\Contracts\Auth\Authenticatable;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Auth\Authenticatable as AuthenticableTrait;

class User extends Model implements Authenticatable
{
   use AuthenticableTrait;

　　

Reference: https://github.com/jenssegers/laravel-mongodb/issues/702