this is so bizarre...
I changed the version number in C3 of the app that is live in Console with ads showing and uploaded it as a new production release. I got the error. when I inspect the permission details, I can see AD ID and AD Services permissions:
I then opened the previous release that didn't have ads, added the MobileAdvert plugin to the project, and then uploaded as a new release, and got the same error.
I guess I'll just click RELEASE WITHOUT PERMISSION.
Anybody have any idea why this might be happening?