Missing Controller

Error: Potterya4d3Controller could not be found.

Error: Create the class Potterya4d3Controller below in file: app/controllers/potterya4d3_controller.php

<?php
class Potterya4d3Controller extends AppController {

	var $name = 'Potterya4d3';
}
?>

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