Missing Controller

Error: SeoSitemapController could not be found.

Error: Create the class SeoSitemapController below in file: app/controllers/seo_sitemap_controller.php

<?php
class SeoSitemapController extends AppController {

	var $name = 'SeoSitemap';
}
?>

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