NvRTX 5.7.4 - Substrate crash?

Gaming and Visualization Technologies Engines Unreal
1

i got this crash on enabling the Substrate feature …

Assertion failed: Shader.IsValid() [File:...\Engine\Source\Runtime\RenderCore\Public\GlobalShader.h] [Line: 192] 
Failed to find shader type FCompositeFeatureBuffersHitTCS in Platform PCD3D_SM6

Any tips??

2

Does Substrate work on NvRTX 5.7.4?

3

It works, but with limitations:

NvRTX Caustics 5.7: Substrate! - Engines / Unreal - NVIDIA Developer Forums