Authorization Error
Error 400: redirect_uri_mismatch
You can't sign in to this app because it doesn't comply with Google's OAuth 2.0 policy. \n\nIf you're the app developer, register the redirect URI in the Google Cloud Console.
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Request Details
redirect_uri=http://www.win3x.org/win3board/ucp.php?mode=login&login=external&oauth_service=google