ID 506706 - Invert Selection modifier and a Select by Polygon Tag set to material which are both connected to a Delete MeshOp doesn't allow you to select a different material tag.

Problem summary
Invert Selection modifier and a Select by Polygon Tag set to material which are both connected to a Delete MeshOp doesn't allow you to select a different material tag.
 
Customer reported version
modo.15.2v3
 
Customer reported platform
windows10
 
Steps to reproduce
 
1) Launch Modo.
 
2) Create a cube primitive.
 
3) Select a polygon face of the mesh and add material. Name each material differently.
 
4) Repeat the process for two more polygons and add a different material to each.
 
5) Go to Setup layout and drag the cub into the node graph.
 
6) Select Add and add a Delete MeshOp. It should already be attached to the Cube.
 
7) In the Properties for the node ensure that in Mesh Option the Selection Type is set to Polygon.
 
8) Add a Select By Polygon Tag.
 
9) Set Name in Properties to Material.
 
10) Click the Value drop-down and choose one of the named materials.
 
11) Add a Invert Selection Modifier.
 
12) Note that now when the Select By Polygon Tag is select the previous materials in the Value list are missing.
 
13) Hide the Invert node and observe that those materials reappear.
 
Expected behaviour
The materials in the value list should still be available.
 
Actual behaviour
Once the Invert Selection node is added the Value list in Properties for the Select by Polygon Tag are disabled or missing.
 
Workaround
Unknown.
 
Reproduced by support
 
This bug has been reproduced in:
15.2v3 - Windows 10
13.0v1 - Windows 10
 
Earliest version tested
13.0v1 - This issue appears to be in all versions of the product