In Xcode, when I try to Product > Archive > Validate App
I get the error:
No accounts with iTunes Connect access have been found fo
Xcode 10. Aug. 2019
Press the Manage Account then see a reminder said my account is expired. Logging in again fixes this problem.
Previous answers didn't work for me, including restarting, quitting Xcode and refreshing profiles.
Disconnected from company VPN and instantly started working.
Ran into this problem just now. Complete shutdown and restart of Xcode did the trick for me.
When this happens to me, closing Xcode completely and re-opening it solves the problem.
Go to: Xcode > Preferences...
Add your apple ID again
I had a similar issue. Turned out that App Store was blocked by IT (arrrggggg!!!). Try a different network or ask IT to unblock then should work but first check that you can access App Store