[14:27:55 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'cw' in plugin ClanWars v1.0
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[server.jar:1.8.8-R0.1-SNAPSHOT]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:146) ~[server.jar:1.8.8-R0.1-SNAPSHOT]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:672) ~[server.jar:1.8.8-R0.1-SNAPSHOT]
        at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1235) [server.jar:1.8.8-R0.1-SNAPSHOT]
        at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:1050) [server.jar:1.8.8-R0.1-SNAPSHOT]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [server.jar:1.8.8-R0.1-SNAPSHOT]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [server.jar:1.8.8-R0.1-SNAPSHOT]
        at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [server.jar:1.8.8-R0.1-SNAPSHOT]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_242]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_242]
        at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [server.jar:1.8.8-R0.1-SNAPSHOT]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:867) [server.jar:1.8.8-R0.1-SNAPSHOT]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:382) [server.jar:1.8.8-R0.1-SNAPSHOT]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:806) [server.jar:1.8.8-R0.1-SNAPSHOT]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:708) [server.jar:1.8.8-R0.1-SNAPSHOT]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_242]
Caused by: java.lang.ArrayIndexOutOfBoundsException: 3
        at Metodos.Comando.onCommand(Comando.java:383) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[server.jar:1.8.8-R0.1-SNAPSHOT]
        ... 15 more