In my model, I have created a sketch line that I would like to use to create a plane. I can see the sketch, modify the sketch and all seems well. However, when I select Reference Geometry>Plane, the sketch line that I would like to use as the reference disappears. Of course, I have tried the obvious troubleshooting steps, Rebuild, shutdown and restart SW, even reboot the computer, but the problem persists. In the same model, creating planes from sketch line has worked elsewhere, but then this