ID 492180 - Adjusting the Segment on Mesh Chamfer Mesh Op results in a crash.

Problem summary
Adjusting the Segment on Mesh Chamfer Mesh Op results in a crash.

Customer reported version
modo.15.1v2

Customer reported platform
windows10

Steps to reproduce

1) Launch Modo.

2) Open customer provided scene. 

3) In the Item List open the Test Folder.

4) Click the plus next to Mesh, then click on the Edge Chamfer operator.

5) Below in the Properties section go to Segments and attempt to change the number.

6) Observer that Modo will at this point crash.

Expected behavior
The segments should be changeable without Modo crashing.

Actual behaviour
Modo crashes with the customer's scene. This is not the case with a fresh scene.

Workaround
Unknown. 

Reproduced by support

This bug has been reproduced in:
15.1v2 - Windows 10
15.1v1 - Windows 10 - Regression



Unable to reproduce bug in:
15.0v1 - Windows 10

Earliest version tested
15.0v1 - This issue doesn't appear in this version and has regressed