Missing Method in IconographiesController

Error: The action M is not defined in controller IconographiesController

Error: Create IconographiesController::M() in file: app/controllers/iconographies_controller.php.

<?php
class IconographiesController extends AppController {

	var $name = 'Iconographies';


	function M() {

	}

}
?>

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