Laravel+FatalErrorException in Collection.php line 11: Interface 'Illuminate\Contracts\Queue\QueueableCollection' not found
<p>I have this code</p>

<pre><code>use App\User;

use Auth;

use App\Http\Controllers\Controller;

use App\Libraries\CustomLib;

class UsersController extends Controller
{

   public function postLogin(){
        // var_dump($_POST);
        $email = \Input::get('username');
        $password = \Input::get('password');

        $user = User::where("email",$email)-&gt;first();
        var_dump($user_info);
  }
}
</code></pre>

<p>I am getting this error: </p>

<pre><code>FatalErrorException in Collection.php line 11: Interface 'Illuminate\Contracts\Queue\QueueableCollection' not found
</code></pre>

<p>Not sure what that means.</p>

<p>Any ideas please how to solve this. </p>

<p>Thanks!</p>