Auto Login Page Error

HomeController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class HomeController extends Controller
{

    public function __construct()
    {
        $this->middleware('auth');
    }


    public function myindex()
    {
        return view('frontend.home');
    }

    public function index(){
        return view('backend.home');
    }
    public function testpage()
    {
        return view('frontend.testpage');
    }
}

web.php

<?php

// Routes For Login / Registration

Auth::routes();

// Controller For Front-end

Route::get('/', 'HomeController@myindex')->name('myhome');

Route::get('/home', 'HomeController@index')->name('home');

Route::get('/test_page', 'HomeController@testpage')->name('testpage');

Folder Structure