ID 437698 - mPath renders produce incorrect black shadows on certain objects within the Render window.

Problem summary
mPath renders produce incorrect black shadows on certain objects within the Render window.

Customer reported version
modo.14.0v2

Customer reported platform
10.13

Steps to reproduce

1) Download and open the attached scene file.
2) Go to the Shading Tree and select the Render item and set the Renderer to mPath.
3) Press the F9 key to render the scene and notice an incorrect black shadow is shown underneath the object:

Expected behaviour
A shadow should still appear underneath the object but not this dark.

Actual behaviour
An incorrect black shadow is rendered underneath the object.

Workaround
Unknown.

Reproduced by support

This bug has been reproduced in:
14.0v2 - Windows 10

14.0v1 - Windows 10

13.2v1 - Windows 10

Earliest version tested
13.2v1 - This feature did not exist before this version.