org.bukkit.command.CommandException: Unhandled exception executing command 'newteam' in plugin Siege v0.1
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:192)
        at org.bukkit.craftbukkit.v1_6_R2.CraftServer.dispatchCommand(CraftServer.java:527)
        at net.minecraft.server.v1_6_R2.PlayerConnection.handleCommand(PlayerConnection.java:979)
        at net.minecraft.server.v1_6_R2.PlayerConnection.chat(PlayerConnection.java:890)
        at net.minecraft.server.v1_6_R2.PlayerConnection.a(PlayerConnection.java:837)
        at net.minecraft.server.v1_6_R2.Packet3Chat.handle(SourceFile:49)
        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:125)
        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.ArrayIndexOutOfBoundsException: 0
        at me.thegarfish.siege.Team.newTeam(Team.java:23)
        at me.thegarfish.siege.Main.onCommand(Main.java:35)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
        ... 15 more