http://pastebin.com/X8bCtSWT
This is all the info I have, the crash report :/ from the user that crashed, I guess he was looking around in a village, but not sure, this is the first time it happens btw.
We're using RTG-1.7.10-1.0.1 snapshot actually :o

This issue was fixed. Please update to RTG-1.7.10-1.1.0.