In my case I was getting the same error. I was creating the xcarchive outside of xcode, and my problem was that I was including some .dSYM files inside. Removing those files fixed the problem.
johnnova
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Last seen
User for