Membership 2 Pro Error when trying to install

I just upgraded my monthly, expressly in order to upgrade from Membership Pro to Membership 2 Pro... but now I'm getting an error when I try to install the new hotness. Error message is truncated:

Downloading install package from https://premium.wpmudev.org/wdp-un.php?action=install&key=97bd37d07a854aa27ee8960858bb9008e215648a&pid=1003656…