Mod Pack: Direwolf20 (v1.0.5)
Mod & Version: Thermal Expansion (v3.0.0.b10)
Pastebin link to crash log: http://pastebin.com/V8pfqLma
Whats the bug: I placed an opaque Item duct(non upgraded) on a double wooden chest leading to a strongbox tier 1. As soon as i switched it to unload from wooden...