I am trying to release an app from Xcode but as soon as I try uploading to the app store or exporting in any fashion, once it checks for signing from iTunes Connect, I recei
In my case, the problem gone away when I've re-added my account in Xcode > Preferences > Accounts and both logged out/logged in in the Mac App Store. I was checking my sandbox user and right after that Xcode began to say my session is expired. Hope this will help to resolve your issue.