Missing Method in ContactsController Cake\Controller\Exception\MissingActionException

Documentation API

The action partner.html is not defined in ContactsController

Error: Create ContactsController::partner.html() in file: src/Controller/ContactsController.php.

<?php
namespace App\Controller;

use 
App\Controller\AppController;

class 
ContactsController extends AppController
{

    public function 
partner.html()
    {

    }
}

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

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