Missing Controller

Error: Arima-fController could not be found.

Error: Create the class Arima-fController below in file: app/controllers/arima-f_controller.php

<?php
class Arima-fController extends AppController {

	var $name = 'Arima-f';
}
?>

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