Survival World Crash

I go into my Favorite world (luckily I backed it up) I see both of my other bugs that I reported and than get this crash message (download of crash and backup-world linked). I didn't go into the world in 14w27x this may be the cause.

http://www.mediafire.com/download/i5oba5l5f9vxrqq/The_Doctor.zip