Fumefx Crashes Scenes w. VDB

[Asger]

When stopping a fumefx simulation that is set to simulate vdb caches, maya crashes and you are unable to open that scene again in maya 2018. I've tested this in a clean scene with nothing than a simple source. It works fine when chaching fxd files, but if you simulate vdb it crashes if you decide to stop the simulation.

software versions:
Maya 2018
FumeFx 4.1.1
Linux