Nei Issues

[Deno555]

Hi all. I've got a problem with nei. Whenever I try to look up an item's or a block's usage(like what to craft from it) my game crashes. Here is the crashlog;

Spoiler

Description: Exception getting block type in world

java.lang.NullPointerException
at net.minecraft.client.multiplayer.NetClientHandler.func_72552_c(NetClientHandler.java:841)
at cpw.mods.fml.client.FMLClientHandler.sendPacket(FMLClientHandler.java:511)
at cpw.mods.fml.common.network.PacketDispatcher.sendPacketToServer(PacketDispatcher.java:38)
at atomicstryker.infernalmobs.client.EntityTracker.askServerForMobMods(EntityTracker.java:27)
at atomicstryker.infernalmobs.client.EntityTracker.onEntityJoinedWorld(EntityTracker.java:18)
at net.minecraftforge.event.ASMEventHandler_493_EntityTracker_onEntityJoinedWorld_EntityJoinWorldEvent.invoke(.dynamic)
at net.minecraftforge.event.ASMEventHandler.invoke(ASMEventHandler.java:39)
at net.minecraftforge.event.EventBus.post(EventBus.java:108)
at net.minecraft.world.World.func_72868_a(World.java:3749)
at net.minecraft.world.chunk.Chunk.func_76631_c(Chunk.java:1077)
at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:150)
at net.minecraft.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:166)
at net.minecraft.world.World.func_72964_e(World.java:529)
at net.minecraft.world.World.func_72798_a(World.java:414)
at net.minecraft.block.BlockStationary.func_71847_b(SourceFile:43)
at net.minecraft.world.WorldServer.func_72893_g(WorldServer.java:440)
at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:199)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:657)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:587)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:129)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:484)
at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:583)

Is it fixable? Thanks in advance for help.