Missing Method in ArchivesController

Error: The action ◄ Previous is not defined in controller ArchivesController

Error: Create ArchivesController:: ◄ Previous() in file: app/controllers/archives_controller.php.

<?php
class ArchivesController extends AppController {

	var $name = 'Archives';


	function ◄ Previous() {

	}

}
?>

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