I found the solution: Disabling SSR and Lumen’s diffuse indirect lighting did the trick:
r.SSR.Quality 0
r.Lumen.DiffuseIndirect.Allow 0
I found the solution: Disabling SSR and Lumen’s diffuse indirect lighting did the trick:
r.SSR.Quality 0
r.Lumen.DiffuseIndirect.Allow 0