I face issue with get token from firebase (push notification)
Default FirebaseApp is not initialized in this process com.ready_apps.Nebka.Business. Make sure
Just Clean the solution once and run the app again.
This bug is already reported to Xamarin. https://bugzilla.xamarin.com/show_bug.cgi?id=56108
This solution is provided in their comment thread, it might get fixed in the newer release of xamarin NuGet package.