On my box render crashes (not properly starts and hangs Poser) one time from every three on CPU and GPU, crashes every time in progressive mode, so it's seems to be very buggy feature (for me).
from Release Notes:
Added Cast_Light option to Background shader node. Use in conjunction with EnvironmentTexture for Image Based Lighting effects in SuperFly renders.
You need to hide/delete Ground and apply shader to Backround Object, not Background material of Ground.
Here config:
from Release Notes:
Added Cast_Light option to Background shader node. Use in conjunction with EnvironmentTexture for Image Based Lighting effects in SuperFly renders.
You need to hide/delete Ground and apply shader to Backround Object, not Background material of Ground.
Here config: