When trying to upload an App to iTunes connect in Xcode 8.3.3, I get the error:
iTunes Connect access for \"Team-Name\" is required. Add an account in
I started to panic this morning too, but then I remembered something like this happens every time a new iOS is released. Use Application Loader. Don't start changing certs/provisioning profiles. I'm sure Apple will fix soon. Plus Application Loader is super-easy to use. Good luck!
A restart to Xcode did the job for me
This goes along with the other answers, eventually I had to export it and deliver the ipa with Application Loader.
However, Application Loader didn't initially work for me. I had to go into my apple id account (appleid.apple.com) and add an application specific password. Then I signed out of Application Loader and signed back in with the application specific password.
As far as I know, xCode doesn't let you sign in with an application specific password. My guess is that Apple broke authentication via regular passwords on their backend, but didn't break application specific ones.
It works for me to follow the steps:
Had the same problem, First had to export the .ipa to disk using XCode and then upload to the AppStore with Application Loader tool.
It worked.
Had the same stupid problem.
Ultimately exported the .ipa to disk (via Xcode itself) and used altool
command line tool to upload the ipa. It worked!!
altool --upload-app -f YourIpa.ipa -u <username>
Apple should really spend some $$$ on improving Xcode and the overall Developer experience. Its painful.
I again went back to Xcode to try and upload but met with the same error, so command line was indeed helpful.