Multi/Sub-Object Not Working in Corona Layered Material (Issue + Suggestions)

This is currently not supported. You can read more about it here: https://support.chaos.com/hc/en-us/articles/4528313981201-Nesting-Multi-Sub-Object-materials-is-not-supported-in-some-cases

You can always log a feature request in our portal: https://chaoscorona.ideas.aha.io/

Please log your feature request on our Ideas Portal:
You will need to pick “Add a new idea” and describe your feature request in detail.

For more information, please see:
Corona for 3ds Max - https://forum.corona-renderer.com/ The new way to let us know of feature requests - the Ideas Portal!
Corona for Cinema 4D - https://forum.corona-renderer.com/ The new way to let us know of feature requests - the Ideas Portal!