ID 483077 - Specific scene files do not render as expected when using mPath.

Problem summary
Specific scene files do not render as expected when using mPath.
Customer reported version
modo.15.0v3
Customer reported platform
15.0v3
Steps to reproduce
1) Download and open the attached scene file.
2) Press F9 to render the scene file.
3) Change the Render item to use mPath.
4) Press F9 to render the scene file, notice that information is lost.
Expected behaviour
The scene file should render similar to the default, and information should not be lost.
Actual behaviour
Information is lost when rendering the scene file using mPath.
Workaround
Unknown.
Reproduced by support
This bug has been reproduced in:
15.0v3 - Windows 10
15.0v1 - Windows 10
14.2v1 - Windows 10
14.1v1 - Windows 10 -regression

Earliest version tested
14.0v2 - This issue doesn't appear in this version and has regressed.