My google account won't let me sign in because it violates Google's OAuth 2.0 policy.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'the outfit library'
2. Click on 'login'
3. Scroll down to 'sign in with google'
4. See error

Version
recent version, 1.20.1, forge

Latest.log
Append the log, just drag and drop the file here.
You will find the file in the (launcher and profile specific) minecraft save directory, in logs, called latest.log. On Windows by default %appdata%/.minecraft/logs/latest.log.

Merged with #1008 :)