Missing Method in ProgressController

Error: The action monthly_report_printpreview.php is not defined in controller ProgressController

Error: Create ProgressController::monthly_report_printpreview.php() in file: app/Controller/ProgressController.php.

<?php
class ProgressController extends AppController {


	public function monthly_report_printpreview.php() {

	}

}

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

Stack Trace