Unreal 5.1 Lumen & VR settings

Seems to work for me

PROJECT SETTINGS

Anti Aliasing = Temporal super-resolution (TSR)
Forward render = Foward Shading =FALSE
Dynamic GlobalIllumination Method = LUMEN
Reflection Method = LUMEN
Software Ray Tracing Mode = Global Tracing
Use Hardware Raytracing when available = FALSE

WORLD SETTINGS
Force No Precomputed Lighting = TRUE