Game goes to white screen when I join a server and crashes

[Daniel7400]

Launcher/pack Version: Tekkit v 2.1.1 (Everything up to date)

Operating System: Windows 7 64 bit

Version of Java: Version 7 Update 4 64 bit

Description of Problem: When I connect to the server I that I play on with my friends now all I get is a quick flash of where I was in the server (sometimes skips that first part) then the screen turns to the dirt background. Then after a couple seconds it just turns white and crashes. I have never had this happen before and the only thing I did different was go to the Nether and come back (that is when it started, could not be related at all).

Error Messages: N/A

Link to pastebin of log: http://pastebin.com/tbZkPj45

[YOUGETSNIP3D]

Maybe you have it on TECHNIC instead of TEKKIT, which is what you need for multiplayer, if you have technic and try to go on multiplayer, it won't work. if thats not the problem, sorry, i tried.