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[19:07:46 ERROR]: Could not pass event InventoryCloseEvent to SuperFly v1.0
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[spigot-1.8.8.jar:git-Spigot-db6de12-07c3001]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.8.8.jar:git-Spigot-db6de12-07c3001]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot-1.8.8.jar:git-Spigot-db6de12-07c3001]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot-1.8.8.jar:git-Spigot-db6de12-07c3001]
        at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.handleInventoryCloseEvent(CraftEventFactory.java:852) [spigot-1.8.8.jar:git-Spigot-db6de12-07c3001]
        at net.minecraft.server.v1_8_R3.PlayerList.disconnect(PlayerList.java:345) [spigot-1.8.8.jar:git-Spigot-db6de12-07c3001]
        at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:871) [spigot-1.8.8.jar:git-Spigot-db6de12-07c3001]
        at net.minecraft.server.v1_8_R3.NetworkManager.l(NetworkManager.java:314) [spigot-1.8.8.jar:git-Spigot-db6de12-07c3001]
        at net.minecraft.server.v1_8_R3.ServerConnection.c(ServerConnection.java:145) [spigot-1.8.8.jar:git-Spigot-db6de12-07c3001]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:814) [spigot-1.8.8.jar:git-Spigot-db6de12-07c3001]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot-1.8.8.jar:git-Spigot-db6de12-07c3001]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot-1.8.8.jar:git-Spigot-db6de12-07c3001]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot-1.8.8.jar:git-Spigot-db6de12-07c3001]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_121]
Caused by: java.lang.NullPointerException
        at me.endureblackout.superfly.ArmorHandler.onInvetoryClose(ArmorHandler.java:62) ~[?:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_121]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_121]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_121]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_121]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot-1.8.8.jar:git-Spigot-db6de12-07c3001]
        ... 13 more
[19:07:46 INFO]: Dnord left the game.
>pl
[19:07:49 INFO]: Plugins (1): SuperFly
>about
[19:08:20 INFO]: This server is running CraftBukkit version git-Spigot-db6de12-07c3001 (MC: 1.8.8) (Implementing API version 1.8.8-R0.1-SNAPSHOT)
[19:08:20 INFO]: Checking version, please wait...
[19:08:21 INFO]: You are 645 version(s) behind