VS 2015 File > New Project > Xamarin Forms PCL. Nuget latest Xamarin Forms. Re-target PCL for Windows 8.1. Add Windows Phone 8.1 project according to instructions.
InitializeComponent does not exist in any page that I add. Clean, rebuild solution. Builds ok. Run solution. Runs ok. Error reappears. Goes away, reappears. Reboot machine. Error appears.