I can't install version 1.2.0

[Piloto40]

When I try to install the latest version I get the following message:

In version 1.1.0 this does not happen.

[SamsidParty]

Please use version 1.1.0 while I investigate.

[a-woo]

I am getting the same error on 1.2.0 when installing to Xbox Dev Mode.