java.lang.NullPointerException: handler

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java.lang.NullPointerException: handler
at io.netty.channel.DefaultChannelPipeline.context(DefaultChannelPipeline.java:632)
at us.myles.ViaVersion.api.data.UserConnection.sendRawPacketFuture(UserConnection.java:97)
at us.myles.ViaVersion.api.PacketWrapper.send(PacketWrapper.java:307)
at us.myles.ViaVersion.api.PacketWrapper.send(PacketWrapper.java:321)
at us.myles.ViaVersion.protocols.protocol1_9to1_8.listeners.ArmorListener.sendArmorUpdate(ArmorListener.java:53)
at us.myles.ViaVersion.protocols.protocol1_9to1_8.listeners.ArmorListener.onWorldChange(ArmorListener.java:110)
at sun.reflect.GeneratedMethodAccessor256.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:74)
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:501)
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:486)
at net.minecraft.server.v1_8_R3.PlayerList.moveToWorld(PlayerList.java:644)
at org.bukkit.craftbukkit.v1_8_R3.entity.CraftPlayer.teleport(CraftPlayer.java:568)
at org.bukkit.craftbukkit.v1_8_R3.entity.CraftEntity.teleport(CraftEntity.java:236)
at me.wazup.survivalgames.PlayerData.restoreData(PlayerData.java:206)
at me.wazup.survivalgames.main.onCommand(main.java:370)
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45)
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:143)
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:666)
at org.bukkit.craftbukkit.v1_8_R3.entity.CraftPlayer.performCommand(CraftPlayer.java:339)
at me.wazup.survivalgames.listener.onPlayerQuit(listener.java:726)
at sun.reflect.GeneratedMethodAccessor351.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:74)
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:501)
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:486)
at net.minecraft.server.v1_8_R3.PlayerList.disconnect(PlayerList.java:364)
at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:880)
at net.minecraft.server.v1_8_R3.NetworkManager.l(NetworkManager.java:314)
at net.minecraft.server.v1_8_R3.ServerConnection.c(ServerConnection.java:145)
at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:875)
at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378)
at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713)
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616)
at java.lang.Thread.run(Thread.java:745)

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