java.lang.NullPointerException

There are no available Samebug tips for this exception. Do you have an idea how to solve this issue? A short tip would help users who saw this issue last week.

    • java.lang.NullPointerException at main.ironbackpacks.container.backpack.InventoryBackpack.<init>(InventoryBackpack.java:32)[InventoryBackpack.class:1.7.10-27] at main.ironbackpacks.client.gui.GuiHandler.getClientGuiElement(GuiHandler.java:38)[GuiHandler.class:1.7.10-27] at cpw.mods.fml.common.network.NetworkRegistry.getLocalGuiContainer(NetworkRegistry.java:265)[NetworkRegistry.class:?] at cpw.mods.fml.common.network.internal.FMLNetworkHandler.openGui(FMLNetworkHandler.java:93)[FMLNetworkHandler.class:?] at net.minecraft.entity.player.EntityPlayer.openGui(EntityPlayer.java:2209)[yz.class:?] at cpw.mods.fml.common.network.internal.OpenGuiHandler.channelRead0(OpenGuiHandler.java:16)[OpenGuiHandler.class:?] at cpw.mods.fml.common.network.internal.OpenGuiHandler.channelRead0(OpenGuiHandler.java:11)[OpenGuiHandler.class:?] at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:98)[SimpleChannelInboundHandler.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.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:101)[SimpleChannelInboundHandler.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.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)[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:1602)[bao.class:?] at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:973)[bao.class:?] at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:898)[bao.class:?] at net.minecraft.client.main.Main.main(SourceFile:148)[Main.class:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[?:1.8.0_65] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)[?:1.8.0_65] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)[?:1.8.0_65] at java.lang.reflect.Method.invoke(Unknown Source)[?:1.8.0_65] 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:?]
    No Bugmate found.