I am having this problem here is my nei error I don't know what to do
code]NEI Version: 1.4.5.1
java.lang.ClassCastException: bu cannot be cast to bq
at codechicken.nei.NEIClientConfig.loadWorld(NEIClientConfig.java:315)
at codechicken.nei.ClientPacketHandler.handleSMPCheck(ClientPacketHandler.java:123)
at codechicken.nei.ClientPacketHandler.handlePacket(ClientPacketHandler.java:26)
at codechicken.core.PacketCustom$ClientPacketHander.handle(PacketCustom.java:90)
at codechicken.core.PacketCustom$CustomPacketHandler.onPacketData(PacketCustom.java:59)
at cpw.mods.fml.common.network.NetworkRegistry.handlePacket(NetworkRegistry.java:243)
at cpw.mods.fml.common.network.NetworkRegistry.handleCustomPacket(NetworkRegistry.java:233)
at cpw.mods.fml.common.network.FMLNetworkHandler.handlePacket250Packet(FMLNetworkHandler.java:71)
at ayh.a(NetClientHandler.java:1483)
at di.a(SourceFile:59)
at cg.b(TcpConnection.java:458)
at ayh.d(NetClientHandler.java:240)
at ayk.c(GuiConnecting.java:49)
at net.minecraft.client.Minecraft.l(Minecraft.java:1537)
at net.minecraft.client.Minecraft.J(Minecraft.java:846)
at net.minecraft.client.Minecraft.run(Minecraft.java:771)
at java.lang.Thread.run(Unknown Source)