Symptoms

OTP from Google Authenticator isn't accepted, on every authentication attempt, a new QR code is provided.
Error "Logon using Google Authenticator failed. Error: Incorrect OTP" is thrown.

Cause

Incorrect time settings on the RAS Publishing Agent server.

Resolution

Set the correct time on the RAS PA server (e.g, by using NTP)

Sync Time with NTP: https://learn.microsoft.com/en-us/answers/questions/335118/sync-time-with-ntp