Missing Controller

Error: Mma-columnsController could not be found.

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

<?php
class Mma-columnsController extends AppController {

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

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