Version: cinderscapes-forge-2.0.5.jar
Luminous Groves aren't generating correctly, the Umbral Nylium cannot have plants placed on it and seems to be missing all block tags to it.

Lack of tags:

Compared to vanilla Nylium:

Additionally, most of the Luminous Grove is bare, lacking any Umbral Nylium and few plants:

Modlist:

should be fixed now, if the issue was block tags and other data