Bukkit

What steps will reproduce the problem?
1. Start the server and log in

What version of the product are you using?  Spigot-1091, dev build from git of kingdomsGameplay

Do you have an error log of what happened?

17:13:43 [INFO] [Global][kingdoms](Owner) Goshen: I was before I exited
17:13:45 [SEVERE] Could not pass event InventoryCloseEvent to KingdomsGameplay v1.0
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
        at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30)
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:478)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:463)
        at org.bukkit.craftbukkit.v1_6_R2.event.CraftEventFactory.handleInventoryCloseEvent(CraftEventFactory.java:699)
        at net.minecraft.server.v1_6_R2.PlayerConnection.handleContainerClose(PlayerConnection.java:1193)
        at net.minecraft.server.v1_6_R2.Packet101CloseWindow.handle(SourceFile:17)
        at org.spigotmc.netty.NettyNetworkManager.b(NettyNetworkManager.java:230)
        at net.minecraft.server.v1_6_R2.PlayerConnection.e(PlayerConnection.java:116)
        at net.minecraft.server.v1_6_R2.ServerConnection.b(SourceFile:37)
        at org.spigotmc.netty.NettyServerConnection.b(NettyServerConnection.java:132)
        at net.minecraft.server.v1_6_R2.MinecraftServer.t(MinecraftServer.java:592)
        at net.minecraft.server.v1_6_R2.DedicatedServer.t(DedicatedServer.java:239)
        at net.minecraft.server.v1_6_R2.MinecraftServer.s(MinecraftServer.java:481)
        at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:413)
        at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)
Caused by: java.lang.IllegalArgumentException: Player list names can only be a maximum of 16 characters long
        at org.bukkit.craftbukkit.v1_6_R2.entity.CraftPlayer.setPlayerListName(CraftPlayer.java:174)
        at fr.tobast.bukkit.kingdomsgameplay.KingHandler.crownKing(KingHandler.java:95)
        at fr.tobast.bukkit.kingdomsgameplay.KingHandler.setKing(KingHandler.java:41)
        at fr.tobast.bukkit.kingdomsgameplay.EventManager.onInventoryCloseEvent(EventManager.java:219)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
        ... 16 more
17:13:54 [INFO] [Global][kingdoms](Owner) Goshen: I think I am yes because of the gold crown