Missing Method in DrevopagesController

Error: The action reference is not defined in controller DrevopagesController

Error: Create DrevopagesController::reference() in file: app/controllers/drevopages_controller.php.

<?php
class DrevopagesController extends AppController {

	var $name = 'Drevopages';


	function reference() {

	}

}
?>

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