Missing Method in ArticlesController

Error: The action article2_lists_tw is not defined in controller ArticlesController

Error: Create ArticlesController::article2_lists_tw() in file: app/controllers/articles_controller.php.

<?php
class ArticlesController extends AppController {

	var $name = 'Articles';


	function article2_lists_tw() {

	}

}
?>

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

Not Found: /home/httpd/vhosts/taiwanj.com/httpdocs/app/webroot/views/elements/sql_dump.php