Restore missing face?

SketchUp
1

ds335_TOT.skp (132.0 KB)
Keep tracing LINES until regenerates?

2

You had some holes in the loop of the face. just needed some patching and then use the “create face” tool you can download by the SU team in the extension warehouse

Fixed:
ds335_TOT.skp (139.5 KB)

Here you can see where the loop was broken:

1306×734 209 KB