It is showing up in your log as well. Unfortunately, there's not a lot of further help I can give since it's totally specific to your system. Something on your computer is inventing an HID device and Windows is telling X-Plane "I have such-and-such device, with such-and-such axes", and X-Plane has to take its word for it.
Have you tried restarting your computer since removing the SpaceNavigator & its software/drivers?