Missing Method in AdminUsersController

Error: The action null is not defined in controller AdminUsersController

Error: Create AdminUsersController::null() in file: ep_admin/controllers/admin_users_controller.php.

<?php
class AdminUsersController extends AppController {

	var $name = 'AdminUsers';


	function null() {

	}

}
?>

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