Bug / Crash Fluid Renderer doesn't work on two sample scenes

[redhairjino]

While trying to look through Simple Fluid sample scene to find out how Simple Fluid Renderer works,
I've found out two sample scenes - MultipahseFluidBuoyancy and SimpleFluid - don't work properly.
All other scenes works fine.

My Unity version is 2018.16f1 and I've downloaded the asset on 8/17/2018.

Could you tell me how to fix it?