Missing Controller

Error: PurpleGrenadineController could not be found.

Error: Create the class PurpleGrenadineController below in file: app/controllers/purple_grenadine_controller.php

<?php
class PurpleGrenadineController extends AppController {

	var $name = 'PurpleGrenadine';
}
?>

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