Orespawn issue with lightning engine?

[quentin452]

This issue doesn't appear when archaicfix is disabled

seed : -7904998754105998579 location : -220 87 2033

When I find a hive, the top of the hive is darkened but when I approach the structure it becomes less dark.

Screenshot :

Watch the structure :

Come to the structure :

mods list :

00gtnhmixins-2.1.2 archaicfix-mc1.7.10-0.3.5-3-g4129794 falsepatternlib-mc1.7.10-0.10.13 gtnhlib-1.7.10-0.0.6 mixingasm-1.7.10-v0.2.3 orespawn-1.7.10-20.3