Missing Controller

Error: OnmitsuController could not be found.

Error: Create the class OnmitsuController below in file: app/controllers/onmitsu_controller.php

<?php
class OnmitsuController extends AppController {

	var $name = 'Onmitsu';
}
?>

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