White screen after a few seconds of play

[alu]

Launcher/pack Version: tekkit v 2.1.0,

Operating System: windows 7 home premium 32bit

Version of Java: v7 32 bit

Description of Problem: when i log onto my server i will be able to move for about 30 seconds and my client then white screens and crashes so i have to quit in task manager

Error Messages:n/a

Link to pastebin of log: http://pastebin.com/swF56rFd

more stuff: This never happened to me about 3 months ago when i had my old server. altho it was on a older server version aswell, now this happens, the server logs mention end of stream but i can play normal minecraft properly without end of stream error on the same server.

[FloppyDingo]

[13:24:33] [sEVERE]   java.lang.NullPointerException

[13:24:33] [sEVERE]       at vq.d(World.java:2533)

[13:24:33] [sEVERE]       at vq.c(World.java:2686)

[13:24:33] [sEVERE]       at vq.s(World.java:2499)

[13:24:33] [sEVERE]       at vq.b(World.java:486)

[13:24:33] [sEVERE]       at iq.c(SourceFile:206)

[13:24:33] [sEVERE]       at abm.a(NetClientHandler.java:476)

[13:24:33] [sEVERE]       at no.a(SourceFile:41)

[13:24:33] [sEVERE]       at kp.b(NetworkManager.java:227)

[13:24:33] [sEVERE]       at abm.b(NetClientHandler.java:48)

[13:24:33] [sEVERE]       at iq.c(SourceFile:57)

[13:24:33] [sEVERE]       at net.minecraft.client.Minecraft.k(Minecraft.java:1557)

[13:24:33] [sEVERE]       at net.minecraft.client.Minecraft.x(Minecraft.java:698)

[13:24:33] [sEVERE]       at net.minecraft.client.Minecraft.run(Minecraft.java:638)

[13:24:33] [sEVERE]       at java.lang.Thread.run(Unknown Source)

Your problem is right here. It appears your server is running something your client doesn't have, or vise-versa. Check and make sure your server is running the most up to date version of tekkit, and if not, update it.