[04:44:40] [Client thread/INFO] [inventorytweaks]: net.machinemuse.general.gui.GuiTinkerTable
[04:44:56] [Client thread/ERROR] [FML]: There was a critical exception handling a packet on channel Numina
io.netty.handler.codec.DecoderException: java.lang.NullPointerException
    at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:99) ~[MessageToMessageDecoder.class:?]
    at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111) ~[MessageToMessageCodec.class:?]
    at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) ~[DefaultChannelHandlerContext.class:?]
    at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) ~[DefaultChannelHandlerContext.class:?]
    at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785) ~[DefaultChannelPipeline.class:?]
    at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:169) ~[EmbeddedChannel.class:?]
    at cpw.mods.fml.common.network.internal.FMLProxyPacket.func_148833_a(FMLProxyPacket.java:77) [FMLProxyPacket.class:?]
    at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212) [ej.class:?]
    at net.minecraft.client.multiplayer.PlayerControllerMP.func_78765_e(PlayerControllerMP.java:273) [bje.class:?]
    at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1591) [bao.class:?]
    at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:962) [bao.class:?]
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:887) [bao.class:?]
    at net.minecraft.client.main.Main.main(SourceFile:148) [Main.class:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_45]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_45]
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.11.jar:?]
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
Caused by: java.lang.NullPointerException
    at net.minecraft.item.ItemStack.func_77963_c(ItemStack.java:170) ~[add.class:?]
    at net.minecraft.item.ItemStack.func_77949_a(ItemStack.java:90) ~[add.class:?]
    at net.machinemuse.numina.network.RichInputStream$RichInputStream.readItemStack(RichIOStreams.scala:21) ~[RichInputStream$RichInputStream.class:?]
    at net.machinemuse.numina.network.MusePackager$class.readItemStack(MusePacket.scala:154) ~[MusePackager$class.class:?]
    at net.machinemuse.powersuits.network.packets.MusePacketInventoryRefresh$.readItemStack(MusePacketInventoryRefresh.scala:23) ~[MusePacketInventoryRefresh$.class:?]
    at net.machinemuse.powersuits.network.packets.MusePacketInventoryRefresh$.read(MusePacketInventoryRefresh.scala:26) ~[MusePacketInventoryRefresh$.class:?]
    at net.machinemuse.powersuits.network.packets.MusePacketInventoryRefresh$.read(MusePacketInventoryRefresh.scala:23) ~[MusePacketInventoryRefresh$.class:?]
    at net.machinemuse.numina.network.MusePacketHandler$$anonfun$decode$3.apply(MusePacketHandler.scala:50) ~[MusePacketHandler$$anonfun$decode$3.class:?]
    at net.machinemuse.numina.network.MusePacketHandler$$anonfun$decode$3.apply(MusePacketHandler.scala:49) ~[MusePacketHandler$$anonfun$decode$3.class:?]
    at scala.Option.map(Option.scala:145) ~[Option.class:?]
    at net.machinemuse.numina.network.MusePacketHandler$.decode(MusePacketHandler.scala:49) ~[MusePacketHandler$.class:?]
    at net.machinemuse.numina.network.MusePacketHandler$.decode(MusePacketHandler.scala:25) ~[MusePacketHandler$.class:?]
    at io.netty.handler.codec.MessageToMessageCodec$2.decode(MessageToMessageCodec.java:81) ~[MessageToMessageCodec$2.class:?]
    at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89) ~[MessageToMessageDecoder.class:?]
    ... 18 more```