Rhino Vault Crash when click Triangulated Form Diagram

Hi,

I am trying to triangulate a structure with Rhino Vault. However rhino keeps crashing everytime i click Triangulated Form Diagram. I have also installed IronPython 2.7.7 and is using Rhino 5.

Pls help!

Attached is a reference image of the triangulated structure i want to achieve.

Pavilion Rhino Vault.3dm (66.0 KB)