During client init, client crashes: Log here mentions net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from Primitive Mobs (primitivemobs)
Caused by: java.lang.NullPointerException

https://paste.ee/p/Rfiun

Thanks, Ill take a look although Im not sure if I can fix it. It appears a mod called Stellarium is somehow messing with my Just Enough Resources integration which is rather strange.