World crashes upon loading

[ScottCTKB2002]

Playing on Direwolf20 1.6.4 my survivor world crashed while in game. Now it crashes on start up every time. Other worlds load up just fine. Pastebin for my log http://pastebin.com/P8yJq7C2

Thank you

 

[ScottCTKB2002]

I realized that pastebin wouldn't help at all. Here is the Pastebin of the crash report
http://pastebin.com/jLDJUAQr