Missing Method in InformationController

Error: The action activity is not defined in controller InformationController

Error: Create InformationController::activity() in file: app/controllers/information_controller.php.

<?php
class InformationController extends AppController {

	var $name = 'Information';


	function activity() {

	}

}
?>

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