Log

[16:19:38] [Server thread/INFO]: SkyBeast55 issued server command: /duel
[16:19:38] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'duel' in plugin Ask4Duel v1.0
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[CraftBukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:175) ~[CraftBukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:683) ~[CraftBukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:952) [CraftBukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:814) [CraftBukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28) [CraftBukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:47) [CraftBukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:146) [CraftBukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [CraftBukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:655) [CraftBukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [CraftBukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [CraftBukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [CraftBukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [CraftBukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
Caused by: java.lang.ArrayIndexOutOfBoundsException: 1
	at fr.skybeast.ask4duel.Ask4Duel.onCommand(Ask4Duel.java:18) ~[?:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[CraftBukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	... 13 more