ID 514631 - [3D Arch][3D UX] Using the snap_menu options with geometry in the new 3D system results in an error

Problem summary:
Using the snap_menu options with geometry in the new 3D system results in an error.

Customer reported version:
Nuke 14.0v5

Customer reported platform:
CentOS 7

Steps to reproduce:

1) Launch Nuke.

2) Create a GeoCube and translate it in the 3D Viewer.

3) Create a GeoSphere.

4) In the Viewer, change the selection mode to Vertex selection. 

5) Select some vertices on the GeoSphere

6) In the Transform tab in properties of GeoCube, open the snap_menu and select any option.

Expected behavior:
Users should be able to use the snap_menu options to match the position of the geo/pivot in the new 3D system.

Actual behavior:
The following error is displayed, when using the snap_menu options with geometry in the new 3D system 

The same issue also occurs while trying to access the snap_menu functionality via Python:

from nukescripts import snap3dsnap3d.getSelection()

Workaround:
Unknown.

Reproduced by Support in:
Nuke 14.0v5 - Windows 10 - Linux CentOS 7

Nuke 14.0v1 - Windows 10 - Linux CentOS 7

Earliest version tested:
Nuke 14.0v1 - The new 3D system was introduced in Nuke 14.0v1 and the issue doesn't appear in the legacy 3D system.