Missing Method in GamesController Cake\Controller\Exception\MissingActionException

Documentation API

The action demo is not defined in GamesController

Error: Create GamesController::demo() in file: src/Controller/GamesController.php.

<?php
namespace App\Controller;

use 
App\Controller\AppController;

class 
GamesController extends AppController
{

    public function 
demo()
    {

    }
}

If you want to customize this error message, create src/Template/Error/missing_action.ctp

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