Logging in using Google Authenticator can fail when the Google Authenticator app is not synced correctly.
To make sure that you have the correct time:
On the next screen, the app will confirm that the time has been synced, and you should now be able to use your verification codes to sign in. The sync will only affect the internal time of your Google Authenticator app, and will not change your device’s Date & Time settings. Reference documentation
If you'll keep experiencing issues with 2FA after completing these steps, contact [email protected] and we'll help you further.