FTB crashes when logging into world

[FierySilence]

I built a frame quarry and it had broken many times and i fixed it every time, but this time when I walked close enough for it to load minecraft crashes.

Here is the stacktrace -

at com.eloraam.redpower.logic.TileLogicStorage.readFromPacket(TileLogicStorage.java:239)
at com.eloraam.redpower.logic.TileLogic.handlePacket(TileLogic.java:334)
at com.eloraam.redpower.core.CoreProxyClient.processPacket211(CoreProxyClient.java:107)
at com.eloraam.redpower.core.Packet211TileDesc.a(Packet211TileDesc.java:65)
at cf.b(MemoryConnection.java:80)
at ayh.d(NetClientHandler.java:240)

Here's the pastebin url for the report - http://pastebin.com/WVytxZqY

 

[Nerixel]

Update Java to 7u21. If that doesn't work, create a thread in the Tech Support section: http://forum.feed-the-beast.com/forums/tech-support.14/
We have a great many people in there who know a lot of things, and they don't always read this section