Missing Controller

Error: Duff70431Controller could not be found.

Error: Create the class Duff70431Controller below in file: app/controllers/duff70431_controller.php

<?php
class Duff70431Controller extends AppController {

	var $name = 'Duff70431';
}
?>

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