You can try this: install the free version of Mantis Bible Study, then try purchasing the AMP using that copy of Mantis. If it goes through that way for you, then after the purchase is complete you can delete the free version you've installed, and the AMP should show up in your Bundle version. If it still does not work, you may try purchasing the AMP from our web site, here: https://MantisBible.com/item.aspx?ID=AMP
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