[INFO] Preparing level "world"
[SEVERE] Encountered an unexpected exception t
t: Loading NBT data
  at cd.b(SourceFile:102)
  at bq.a(SourceFile:34)
  at cd.b(SourceFile:96)
  at ca.a(CompressedStreamTools.java:126)
  at ca.a(CompressedStreamTools.java:170)
  at thaumcraft.common.SaveManager.loadAuras(SaveManager.java:192)
  at thaumcraft.common.EventHandler.worldLoad(EventHandler.java:51)
  at net.minecraftforge.event.ASMEventHandler_34_EventHandler_worldLoad_Load.invoke(.dynamic)
  at net.minecraftforge.event.ASMEventHandler.invoke(ASMEventHandler.java:35)
  at net.minecraftforge.event.EventBus.post(EventBus.java:103)
  at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:279)
  at ho.c(DedicatedServer.java:179)
  at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:458)
  at fy.run(SourceFile:849)
Caused by: java.io.EOFException
  at java.io.DataInputStream.readUnsignedShort(Unknown Source)
  at java.io.DataInputStream.readUTF(Unknown Source)
  at java.io.DataInputStream.readUTF(Unknown Source)
  at cd.b(SourceFile:91)
  at bq.a(SourceFile:34)
  at by.a(SourceFile:38)
  at cd.b(SourceFile:96)
  ... 13 more
[SEVERE] This crash report has been saved to: C:\Users\valve\Desktop\1.4.6\.\crash-reports\crash-2013-01-28_20.00.05-server.txt