Section plane fill does not fill the entire cross section

Rhino Rhino for Windows
,
1

Hello. Sometimes, on more complex solid objects, the section fill does not fill all the parts of the sectioned model as seen below :

Capture
Capture1079×706 73.5 KB

Project file:
SectionBug.3dm (1.2 MB)
SysInfo:
SysInfo.txt (2.7 KB)

2

Hi Dan, I see this, thanks.
RH-81289 Display - Section incomplete

-Pascal