I\'ve had an iOS project in fairly stable condition up until Xcode 8\'s public release. After a bit of confusion with the Migrator, I finally convinced the compiler that I d
I had the same problem. In my case it was caused by following. I had a lot of png-files in assets.xcassets and some of them had AdobeRGB Color profile. I changed the profiles to sRGB and xcode validated the archive with no error. Frankly speaking, when I changed the profiles some other strange errors occured, but they dissapeared by themselves when I tried to re-validate the acrchive several hours later (I did nothing just waited).
I solved it by uploading my app through Application Loader.
Archive app Export ipa iOS Deployment
Xcode-> open developer tool -> Application loader
Bump the build number and validate again.
I fixed it by upload using Application Loader. Besides, after upload the app i receive the warning about Privacy - Photo Library Usage Description and Privacy - Camera Usage Description, so that, please make sure you have them in your info
Hope it help!