Nei is missing

[zxprophecyxx]

Title: Nei is missing

Version: 1_0_4

OS: windows

Java Version: latest

Description of Problem:

NEI is gone and it says this when it crashes...

Error Messages:

NEI Version: 1.5.2.28

java.lang.ClassCastException: net.minecraft.nbt.NBTTagEnd cannot be cast to net.minecraft.nbt.NBTTagCompound

	at codechicken.nei.NEIClientConfig.loadWorld(NEIClientConfig.java:321)

	at codechicken.nei.NEICPH.handleSMPCheck(NEICPH.java:119)

	at codechicken.nei.NEICPH.handlePacket(NEICPH.java:27)

	at codechicken.core.packet.PacketCustom$ClientPacketHandler.handle(PacketCustom.java:162)

	at codechicken.core.packet.PacketCustom$CustomPacketHandler.onPacketData(PacketCustom.java:133)

	at cpw.mods.fml.common.network.NetworkRegistry.handlePacket(NetworkRegistry.java:255)

	at cpw.mods.fml.common.network.NetworkRegistry.handleCustomPacket(NetworkRegistry.java:245)

	at cpw.mods.fml.common.network.FMLNetworkHandler.handlePacket250Packet(FMLNetworkHandler.java:84)

	at net.minecraft.client.multiplayer.NetClientHandler.func_72501_a(NetClientHandler.java:1571)

	at net.minecraft.network.packet.Packet250CustomPayload.func_73279_a(SourceFile:59)

	at net.minecraft.network.MemoryConnection.func_74428_b(MemoryConnection.java:89)

	at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1899)

	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:835)

	at net.minecraft.client.Minecraft.run(Minecraft.java:760)

	at java.lang.Thread.run(Unknown Source)

Error Log: