Missing Controller

Error: Ynjhg30.htmlController could not be found.

Error: Create the class Ynjhg30.htmlController below in file: app/Controller/Ynjhg30.htmlController.php

<?php
class Ynjhg30.htmlController extends AppController {

}

Notice: If you want to customize this error message, create app/View/Errors/missing_controller.ctp

Stack Trace