Bukkit

READ THIS NOTICE BEFORE CONTINUING! Fill out the ENTIRE ticket! Incomplete tickets or inaccurate will be closed with no response.

Make sure to attach a copy of your jobConfig.yml and generalConfig.yml files to this ticket. Please do not use pastebin/pastie for configuration files.
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What is the expected output? What do you see instead? Feel free to attach a screenshot or any error logs.

How can you reproduce the issue? Please be as descriptive as possible, including any commands or in-game actions.

I've enter this command (/jobs employ [player] [myjob]) on a commandblock and when I testing, I've an error in logs

 2013-09-15 13:51:13 [WARNING] CommandBlock at (10,64,431) failed to handle command
org.bukkit.command.CommandException: Unhandled exception executing command 'jobs' in plugin Jobs v2.11.3
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46)
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:192)
at net.minecraft.server.v1_6_R2.TileEntityCommand.a(TileEntityCommand.java:101)
at net.minecraft.server.v1_6_R2.BlockCommand.a(BlockCommand.java:47)
at net.minecraft.server.v1_6_R2.WorldServer.a(WorldServer.java:532)
at net.minecraft.server.v1_6_R2.WorldServer.doTick(WorldServer.java:199)
at net.minecraft.server.v1_6_R2.MinecraftServer.t(MinecraftServer.java:564)
at net.minecraft.server.v1_6_R2.DedicatedServer.t(DedicatedServer.java:226)
at net.minecraft.server.v1_6_R2.MinecraftServer.s(MinecraftServer.java:486)
at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:419)
at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)
Caused by: java.lang.NullPointerException
at me.zford.jobs.commands.JobsCommands.hasCommandPermission(JobsCommands.java:87)
at me.zford.jobs.commands.JobsCommands.onCommand(JobsCommands.java:50)
at me.zford.jobs.bukkit.commands.BukkitJobsCommands.onCommand(BukkitJobsCommands.java:27)
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
... 10 more 

What version of Jobs plugin are you using? Do not enter "latest" or anything similar.

2.11.3

What version of Bukkit are you using (/version)? Do not enter "latest" or anything similar.

1.6.2 R1.0 build 2879

List of plugins installed (copy paste output of "plugins" or "/plugins" from command line with timestamp or attach screen shot of ingame. Do not type by hand)

Orebfuscator, MultiWorld, GroupManager, WorldEdit, PorteCoulissante, Vault, Stargate, ForeverALoad, WorldGuard, InfChests, AutoMessage, PHPsend, iConomy, CoreProtect, Permissions, CommandHelper, Turnstile, BKCommonLib, Lockette, WeatherMan, XBP, Essentials, Jobs, EssentialsSpawn, StargateCommand, Stargate-DHD, EssentialsAntiBuild, dynmap, Train Carts, ChestShop, EssentialsChat, TCActionBlocks, AuthMe