Missing Controller

Error: UnfairAdvantageLetterbookController could not be found.

Error: Create the class UnfairAdvantageLetterbookController below in file: app/controllers/unfair_advantage_letterbook_controller.php

<?php
class UnfairAdvantageLetterbookController extends AppController {

	var $name = 'UnfairAdvantageLetterbook';
}
?>

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