Error when building the app with latest update

[Anke]

@Peter

So i deleted the Mail extension and i was able to build the apk.

Then i wanted to update the wifi extension and got this message

Edit:
I did a last test. I can remove the tools and wifi extension and still get the error message. Only after removing the mail extension the app builds.

I know the problem that extensions can no longer be updated in AI2. Then try to open the aia file with winzip (etc.) and copy / replace the extension from another new aia.