Missing Controller

Error: Den-gan-tuong-ball-wallController could not be found.

Error: Create the class Den-gan-tuong-ball-wallController below in file: app/controllers/den-gan-tuong-ball-wall_controller.php

<?php
class Den-gan-tuong-ball-wallController extends AppController {

	var $name = 'Den-gan-tuong-ball-wall';
}
?>

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