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java.util.NoSuchElementException: packet_handler	at net.minecraft.util.io.netty.channel.DefaultChannelPipeline.getContextOrDie(DefaultChannelPipeline.java:905)	at net.minecraft.util.io.netty.channel.DefaultChannelPipeline.addBefore(DefaultChannelPipeline.java:160)	at net.minecraft.util.io.netty.channel.DefaultChannelPipeline.addBefore(DefaultChannelPipeline.java:153)	at com.dsh105.holoapi.protocol.netty.PlayerInjector.inject(PlayerInjector.java:74)	at com.dsh105.holoapi.protocol.InjectionManager.inject(InjectionManager.java:125)	at com.dsh105.holoapi.protocol.InjectionManager.getInjectorFor(InjectionManager.java:102)	at com.dsh105.holoapi.api.HologramImpl.clearTags(HologramImpl.java:613)	at com.dsh105.holoapi.api.HologramImpl.clear(HologramImpl.java:580)	at com.dsh105.holoapi.listeners.HoloListener.onPlayerQuit(HoloListener.java:68)	at sun.reflect.GeneratedMethodAccessor140.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:298)	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:509)	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:494)	at net.minecraft.server.v1_7_R4.PlayerList.disconnect(PlayerList.java:334)	at net.minecraft.server.v1_7_R4.PlayerConnection.a(PlayerConnection.java:738)	at net.minecraft.server.v1_7_R4.ServerConnection.c(ServerConnection.java:77)	at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:734)	at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289)	at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584)	at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490)	at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628)