Hi,
I have experienced a bug where, if I use for instance, Bushes and Trees from the bundled libraries in the same scene, the bushes get replaced with trees on rendering with Vray. The bug does not manifest in Thea however. Please check the screen grabs on https://drive.google.com/open?id=0B3XXDAl-vV8FUFNBUVVHeXlOeWM
Forgot this bit 
SketchUp version : 2016.1.1449
Skatter version (Menu Window > Preferences > Extensions) : 1.2.1
OS : Windows 7 Ultimate 64 bit
Description of the issue : Replacement of selected library content with other proxies
Are you able to reproduce the issue every time? (If yes, how?) : Yes, it has happened several times but there is no consistency. Sometimes it happens, other times it doesn’t.
Yes, I am aware of this bug and should be fixed in the next version.
It only happen in Vray 2.0, it does not in Vray 3.4.
Thanks. Looking forward to the next release!