Footprint's soldermask is missing?!

[bobc]

You could try that, the github version doesn’t seem to have changed significantly for some time.

What is on the “Local Clearance and Settings” tab for the pad?

Sounds like you may have hit this feature:

Solder mask missing on some components

Hi All I am designing my first board with Kicad. It is 4 layers with components on both sides. I have just made the Gerbers and found that all of the SMD components on the back of the board and two on the front do not have a solder mask defined and hence could not be soldered. I think this may have been caused by me having the b.mask layer switched off when I designed the board. I had to turn this on when i made the Gerber plots. The components affected are all from the standard libraries.…