I just don't get it, it was working just fine earlier today...
Here we go:
MC version: 1.5.1
GC version 0.1.27
Forge version: Currently 220.127.116.118 (tested with all the newer ones also)
Error log: None to post.
Mods: Twilight Forest, Campfire mod, Rei's MM, More bows, NEI w/CCC, GC, PetBat.