Seems to be a loop crash when I walk too far from the pylons
Crashreport
http://pastebin.com/dmpXkQMc

Update Botania, you're using a build that is like a week old. Pretty sure this got fixed.

yup, you're a week behind! ;p
https://github.com/williewillus/Botania/releases

would you look at that xD will update then :p