Missing Controller

Error: Ug1dController could not be found.

Error: Create the class Ug1dController below in file: app/controllers/ug1d_controller.php

<?php
class Ug1dController extends AppController {

	var $name = 'Ug1d';
}
?>

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