Bug report
Regarding to this. I put down A mystery Block from AdvancedSolarpower addon mod to IC2 this error came. it was id:3 <- it gave me a mystery block. and NPE. 98# build MCPC bukkit. Second time I did this it corrupted my world.
version. 3.0.0
CraftBukkit : craftbukkit-1.2.5-R1.3-MCPC-SNAPSHOT-98