Google Sign In error 12500

Question

I am trying to integrate Google Sign In into my app. I don\'t have a back-end server, I am just getting the details of the logged on Google Account to my app.

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Answer 1

If there's still anyone out there with a similar issue, if you're adding custom scopes, make sure it's a valid scope. In my case, I mixed Facebook scopes with Google scopes and took me a while to figure it out!