Mod Pack: Direwolf20 (v1.0.4)
Mod & Version: Thermal Expansion (v3.0.0.b9e) & Railcraft 8.3.0.0
Pastebin link to crash log: http://pastebin.com/aqhvk5GG
Whats the bug: Placing a hobbyist steam engine next to an opaque fluiduct with water in it will crash the game (with world tick exception). The...
