FTB Monster Crash

[InfiniLife]

I've been playing Feed the Beast and have been experiencing crashes every once in a while im not sure if it is my texture pack or optifine?

Pastebin: http://pastebin.com/D18Th6cs

Please help!

Thanks!

 

[Tristam Izumi]

Indeed, try disabling Optifine and see if the crashes continue.