ID 399375 - A render error is produced when layering cards with a material that uses a Dissolve shading effect.

Problem summary

A render error is produced when layering cards with a material that uses a Dissolve shading effect.

Customer reported version
modo.13.0v1

Customer reported platform
windows10

Steps to reproduce

1) Download and open the attached file.

2) Position the camera so you can see all of the cards.

3) Press F9 to bring up the render window, notice that there's a render error.

Expected behaviour
The render should render the Dissolve effect onto each of the cards with any errors

Actual behaviour

There is a render error on part of the cards that due to the alpha channel shouldn't be shown.

Workaround

If you add a Stencil effect above the dissolve this render error doesn't appear.

Reproduced by support

This bug has been reproduced in:
Modo 13.0v1 - Windows 10 - Centos 7 - MacOS 10.13

Modo 12.2v2 - Windows 10

Modo 12.1v2 - Windows 10

Modo 12.0v1 - Windows 10

Modo 11.2v3 - Windows 10

Modo 11.2v1 - Windows 10 - Centos 7 - MacOS 10.13 -regression

Unable to reproduce bug in:

Modo 11.1v1 - Windows 10 - Centos 7 - MacOS 10.13

Earliest version tested

Modo 11.1v1 - This issue no longer appears in this version and has regressed.