A quick look at both BiomeData.cfg and BiomeDataDefault.cfg in several of my modded installs, shows that the default one is pre-determined for stock KSP, but that the non-default cfg is getting generated by CC itself. Crucially however, it always maintains the default values and only adds others to it that it can find. I suspect this is where JNSQ in particular will go wrong, since of course most of its bodies have the same names as the stock KSP ones. CC is not adding new values to its BiomeDat