Bukkit

What steps will reproduce the problem?
1. permissions are set (sq.help)
2. type /sq or /sq help

What is the expected output? What do you see instead?
Expected output is some help-message.
But instead it says
---------------StarterQuiz-----------------
An internal error occurrred while attempting to perform this command

What version of the product are you using?
Latest Version (2.5)

Do you have an error log of what happened?
Unhandled exception executing command 'sq' in plugin StartersQuiz v2.5
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:42)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:168)
        at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:492)
        at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:878)
        at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:825)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:807)
        at net.minecraftserverhook.NetServerHandlerProxy.a(NetServerHandlerProxy.java:124)
        at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:44)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:276)
        at net.minecraft.server.NetServerHandler.d(NetServerHandler.java:109)
        at net.minecraftserverhook.NetServerHandlerProxy.d(NetServerHandlerProxy.java:58)
        at net.minecraft.server.ServerConnection.b(SourceFile:35)
        at net.minecraft.server.DedicatedServerConnection.b(SourceFile:30)
        at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:581)
        at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:212)
        at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:474)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:406)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
Caused by: java.lang.NullPointerException
        at me.sluijsens.StartersQuiz.LangHandler.replaceColor(LangHandler.java:52)
        at me.sluijsens.StartersQuiz.LangHandler.getMessage(LangHandler.java:43)
        at me.sluijsens.StartersQuiz.CmdExecutor.onCommand(CmdExecutor.java:72)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
        ... 17 more

Please provide any additional information below.

which language file are you using?

Which language file are you using?