Unable to save Google Configuration Node

Hello:

I am trying to set up node-red-node-google (v 0.2.2) and I cannot "save" the configuration node. I have gone through the steps and created the credentials, enabled Google+ API, added the redirect URI and modified my hosts file. I can get all the way through the "Authenticate with Google" step (I get a message saying that the app is authenticated) but the "Add" button is never enabled.

I have tried this on both Safari and Chrome, removed permissions from my Google account and re-authenicated, but the "Add" button is never enabled.

Does anyone know what I need to do?