Xcode 6 crashes when validating or submitting app archive

Question

This worked fine 2 days ago using the exact same archive and provisioning profile (selected from the organizer). Anyone else seeing this? I haven\'t updated Xcode, so it see

Answer 1

I tried all of the other suggestions, no success.

Finally I removed my AppleID from the accounts preferences pane and re-added it. That did the trick!

Since then, app submission was working again.