Better dungeons Crash

[bcnuok]

Recently I added better dungeons to a modpack that me and a friend have been working on
it seems whenever the dungeons spawn the game crashes

heres teh crash report

Spoiler

http://pastebin.com/rT8iyGBJ

this happens in ftb console

Spoiler

http://pastebin.com/1DhZA7Mi

and minecraft gives me this

Spoiler

http://pastebin.com/5fHxxh3Z

anyone know how to fix this?

 

[Ashzification]

Does the modpack crash without BetterDungeons?

 

[bcnuok]

Does the modpack crash without BetterDungeons?

no, it works fine
It only started crashing when I added better dungeons

 

[lavarthan]

Make sure that you have the correct version of Better Dungeons. You want the 1.4.7 version, get it from the minecraftforums.net link and follow the install instructions. Aside from that I'm not sure how much more help I can provide my googling has produced little to no answer.