Error: Status{statusCode=DEVELOPER_ERROR, resolution=null}

You need to add your SHA1 key to firebase console configuration.
You can do it in this way:

Firebase console ( https://console.firebase.google.com ) -> your project -> configuration -> scroll to

You can find your SHA1 key running “Signing report” from Android Studio:

Then, look the “run tab” and click the button:

I think it’s the easier way. Hope this help.