You should be able to name the sections yourself without the automatic function. Things that might cause problems:
- the size of the design
- the complexity; it might contain a subtle flaw that the software stumbles on
You could try to make a very simple design to test with: 5" x 5" with a couple of straight lines. Name your sections manually, do a print preview and select the "Paper Piecing" tab (top left, next to "Templates"). That should work and show the basic principles.