Missing Controller

Error: Mma-newsletterController could not be found.

Error: Create the class Mma-newsletterController below in file: app/controllers/mma-newsletter_controller.php

<?php
class Mma-newsletterController extends AppController {

	var $name = 'Mma-newsletter';
}
?>

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