SYMPTOM
After user has successfully set oAuth parameters for Google Drive, he will be then asked to validate against Google in order to obtain access to Google Drive data. It may happen that the user will face the following error:

CAUSE
One of the known causes for such behavior is blank space, specifically in front of the redirect_uri in this case. However please note that a blank space in front of client ID or secret will produce a login error as well.

ACTION
Please make sure that there are no blank spaces or new line characters that are hard to spot at times.
KB441040