Missing Controller

Error: 404error.htmlController could not be found.

Error: Create the class 404error.htmlController below in file: app/controllers/404error.html_controller.php

<?php
class 404error.htmlController extends AppController {

	var $name = '404error.html';
}
?>

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