Bukkit

What steps will reproduce the problem?
1. Set a basic command like /cmds line1 \test
2. place on sign
3. rightclick!

What is the expected output? What do you see instead?
Nothing happends in-game

What version of the product are you using?
1.9.1 and 1.9.1.1 both tested with same result

Do you have an error log of what happened?
<<code>>
19:08:06 [SEVERE] Could not pass event PlayerInteractEvent to CommandSigns v1.9.1
org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:363)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:31)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at org.bukkit.craftbukkit.v1_5_R2.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:189)
    at net.minecraft.item.ItemInWorldManager.func_73078_a(ItemInWorldManager.java:541)
    at net.minecraft.network.NetServerHandler.func_72472_a(NetServerHandler.java:874)
    at net.minecraft.network.packet.Packet15Place.func_73279_a(SourceFile:58)
    at net.minecraft.network.TcpConnection.func_74428_b(TcpConnection.java:442)
    at net.minecraft.network.NetServerHandler.func_72570_d(NetServerHandler.java:222)
    at net.minecraft.network.NetworkListenThread.func_71747_b(NetworkListenThread.java:53)
    at net.minecraft.server.dedicated.DedicatedServerListenThread.func_71747_b(SourceFile:30)
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:847)
    at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:716)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:600)
    at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
Caused by: java.lang.IndexOutOfBoundsException: Index: 1, Size: 0
    at java.util.ArrayList.rangeCheck(Unknown Source)
    at java.util.ArrayList.get(Unknown Source)
    at com.iCo6.util.Common.formatted(Common.java:125)
    at com.iCo6.iConomy.format(iConomy.java:503)
    at net.milkbowl.vault.economy.plugins.Economy_iConomy6.format(Economy_iConomy6.java:113)
    at org.zonedabone.commandsigns.SignExecutor.parseCommandSign(SignExecutor.java:174)
    at org.zonedabone.commandsigns.SignExecutor.<init>(SignExecutor.java:82)
    at org.zonedabone.commandsigns.ClickHandler.onInteract(ClickHandler.java:146)
    at org.zonedabone.commandsigns.listener.EventListener.onPlayerInteract(EventListener.java:59)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:361)
    ... 17 more

<</code>>

Please provide any additional information below.

Im running this on MCPC ( mcpc-plus-151compat-1.5.2-R1.1-forge738-C608.jar )