Mobile Builder Plugin Gives Internal Server Error At Checkout

Your Mobile Builder Plugin is very old and has started giving issues because it is now an old version. It is giving me internal server error on checkout page.Kindly resolve my issue asap and update your plugin as well.

The Website I am using your plugin is on bigbazarusa.com. I deactivated every plugin and found out that because of only Mobile Builder Plugin I am getting internal server error issue for Oreo App.

Kindly sort it asap.

I have already purchased multiple licence from you.