setUserIdentifier Should can get a null value as identifier.
Use case: user logout from my app -> set identifier to null
I think the question is why
https://github.com/FirebaseExtended/flutterfire/blob/3591583b1ea5c8eb836d569cb750789f010dcc47/packages/firebase_crashlytics/firebase_crashlytics/lib/src/firebase_crashlytics.dart#L199is there.
Yes, you are right
@markusaksli-nc I believe we all know what line throws an error here. We actually want setUserIdentifier to accept nulls, so it'd be great to remove assert whatsoever.