error2

2013-09-08 21:52:02 [INFO] TJMASTER issued server command: /!
2013-09-08 21:52:02 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command '!' in plugin myRPG v2.0  [1082]
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46)
    at us.Myles.PWP.FakeSimpleCommandMap.dispatch(FakeSimpleCommandMap.java:104)
    at org.bukkit.craftbukkit.v1_6_R2.CraftServer.dispatchCommand(CraftServer.java:527)
    at net.minecraft.server.v1_6_R2.PlayerConnection.handleCommand(PlayerConnection.java:971)
    at net.minecraft.server.v1_6_R2.PlayerConnection.chat(PlayerConnection.java:882)
    at net.minecraft.server.v1_6_R2.PlayerConnection.a(PlayerConnection.java:829)
    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:132)
    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.NullPointerException
    at com.sharesc.caliog.myRPGCommands.myRPGCommandHelp.work(myRPGCommandHelp.java:27)
    at com.sharesc.caliog.myRPGCommands.myRPGCommandHelp.<init>(myRPGCommandHelp.java:13)
    at com.sharesc.caliog.myRPGCommands.myRPGCommandRegister.executeCommand(myRPGCommandRegister.java:56)
    at com.sharesc.caliog.myRPG.myRPG.onCommand(myRPG.java:91)
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
    ... 15 more