Having trouble getting Gambit to mesh a box! [solved, please delete]
 

This is probably an extremely simple problem, but it's got me completely beaten.

I've got a problem with trying to mesh some of the faces in my project. There are mesh points around all the edges of the faces, but when I select Mesh Faces the resulting mesh takes a line from every point to the bottom right corner, instead of creating a grid.

This doesn't happen on every face, but the faces it does happen on are all in line vertically.

I've tried replacing the meshes on the edges of the faces, but it has not worked.

edit: it's somehow fixed itself, which is a mixed blessing as now it works but I don't know what was causing it.