Unable to add account in Google Hangouts I've been unable to login to Google Hangouts via the iPhone mobile app. I keep getting "Unable to add account". I've tried restarting my phone, nothing changes. If it helps, I am using a legacy business account from Google.

iPhone: 5s
OS: iOS 7.1.2
App: Hangouts from Google Inc, 2.1.0
If the account you're trying to login with us managed with Family Link, then you cannot access Hangouts on an iPad or iPhone. See https://support.google.com/hangouts/answer/2944865

I also tried Google Duo, but that silent fails to login and just boots you back to the login screen.