I saw a similar error last night about the size of the hdr image. I just deleted my IBL light and re-exported figuring someone will fix the error soon.

"A lonely climber walks a tightrope to where dreams are born and never die!" - Billy Thorpe, song: Edge of Madness, album: East of Eden's Gate

Weapons of choice:

Poser Pro 2012, SR2, Paintshop Pro 8