Krak+Vray Ambient Light + network

I have a scene that renders fine locally, but when it tries to render through backburner on the same machine, I get

"MaxKrakatoa: :SetupLIghtsRecursive() Unexpected light type: 3 for light “VrayAmbientLight001”

Is this a known issue or am I special?

3ds Max 2013 PU2
Krak 2.1.0.47246