I have some production applications on Automonous that were upgraded automatically to 24.1 yesterday evening.
Since the upgrade we are no longer taken to the usual Cognito log in screen. I just get an error page. I've tried re-entering the credentials and the discovery URL etc but no joy. This is the error in the logs:

Has something changed in the way we need to deal with social sign ons?
Any help would be hugely appreciated at this stage!
Thanks,
Lee