Missing Method in SitepagesController

Error: The action archivemenu is not defined in controller SitepagesController

Error: Create SitepagesController::archivemenu() in file: app/controllers/sitepages_controller.php.

<?php
class SitepagesController extends AppController {

	var $name = 'Sitepages';


	function archivemenu() {

	}

}
?>

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