UE 5.8 Nanite - Landscape Layer Blend Material Turns Grey Bug

Summary

Enabling nanite turns the material grey when using Landscape Layer Blend node inside the material. The node is used in order to use landscape painting tool

What Type of Bug are you experiencing?

Level Design & Art Tools

Steps to Reproduce

Create a new empty project in UE 5.8

Create new level and a landscape

Create a material blueprint and drag 2 different textures to paint with

Create a Landscape Layer Blend node

Plug the textures to a Landscape Layer Blend node and plug the Layer Blend result to Base Color pin

Get back to the editor and go into landscape mode and painting tool and create layers from assigned materials, create appropriate layer infos and paint the landscape

Enable nanite, material turns grey and remains grey unless you switch to another material and back to the first as if resetting it

Expected Result

Landscape can be painted with the selected textures

Observed Result

Landscape turns grey and the paint tool won’t affect anything

Affects Versions

5.8

Platform(s)

Windows

Video

Additional Notes

Even if I close nanite after the landscape material went gray, it still can’t be paint unless I switch to another material and back into the first material