Line: 1809
$value_fild = $order->__get( $key );
↓
$value_fild = $order->get_meta( '_' . $key );
Line: 779
if($filds["shipping"][$key_post]['public'] != 'on') {
↓
if(isset($filds["shipping"][$key_post]['public']) && $filds["shipping"][$key_post]['public'] != 'on') {