Missing Controller

Error: GuggenheimHelsinkiController could not be found.

Error: Create the class GuggenheimHelsinkiController below in file: app/controllers/guggenheim_helsinki_controller.php

<?php
class GuggenheimHelsinkiController extends AppController {

	var $name = 'GuggenheimHelsinki';
}
?>

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