Missing Controller

Error: Yamaha4dController could not be found.

Error: Create the class Yamaha4dController below in file: app/controllers/yamaha4d_controller.php

<?php
class Yamaha4dController extends AppController {

	var $name = 'Yamaha4d';
}
?>

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