Different material order in Dynamic Mesh Actor for Editor and Standalone versions

I am creating procedural mesh using Dynamic Mesh Actor from Blueprints. For this mesh I assign material set using following node:
image

After that I have created mesh using node Copy Mesh from Static Mesh.
image

In standalone version assigned materials have a correct order, but in editor it inversed. What could be the problem?

1 Like

I have the same issue, but in my case, the reversed order is in Shipping build, while in Editor and Standalone, the order is Ok. I can attach a reproducible example.