Fatal error: Uncaught Error: Call to undefined method OrderDetailController::render() in /home/modern/app/controllers/mypage/OrderDetailController.php:13 Stack trace: #0 /home/modern/public/mypage/order_detail.php(4): OrderDetailController->order_detail() #1 {main} thrown in /home/modern/app/controllers/mypage/OrderDetailController.php on line 13