Mod Pack: DireWolf20 v1.1.6
Mod & Version: Tinkers Construct v 1.4.3
Patebin to crashlog: http://pastebin.com/4NUgzWmt
Whats the bug: Clicking the smeltery to open GUI causes game to crash.
Can it be repeated: Yes, the error continues to happen everytime I log back in. Also it happens everytime...