Hexxit Game Crashes

[jcavish]

So I am opening my world and it says in bottom left corner,"Error In ...........Txt"

Can Some one help me? Here It is:

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)

Edited February 28, 2014 by jcavish