Bukkit

All it does is say:

/chunkvisualizer or /cv

I am using CB 1.2.5-R4.0 and these plugins:

Orebfuscator v1.4.5, AutorunCommands v3.0.3, PlugMan v1.7.0, RandomReward v0.1, CCLogger v3.0.0, ResExtras v1.0, Vault v1.2.16-b184, Multiverse-Core v2.4-b527, SimpleHelpTickets v0.9, ChunkVisualizer v0.1, ColourFireWorks v1.3.6, dynmap v0.37-1120, CensorShip v1.8, LazyRoad v0.8.1, Spectate v1.8, EndReset v1.0-rc2, EasyEnchant v1.2.1, DisguiseCraft v2.2, LegendaryLibrary v1.01, mcMMO v1.3.08-b857, Catacombs v2.5, VIP v1.0.4, Citizens v1.2, Jobs v2.8.4, LagMeter v1.8, ZeeSlag v1.2.0, CaptureThePoints v1.3.8, AlphaChest v1.12.0, WorldEdit v1164-15977e8, Courier v1.1.6, MobDungeon v1.1.4, GiveAll v2.0b1, Multiverse-Inventories v2.4-b165, Multiverse-NetherPortals v2.4-b530, PorteCoulissante v1.2.9, UtilityHats v0.9.1, SimpleCommandSigns v0.8, PermissionsEx v1.19.2, WorldGuard v624-18b5a4e, ChestRestock v2.3-SNAPSHOT-b49, TreasureHunt v0.9, ScrollingMenuSign v1.3.0, iConomy v7.0, HiddenCommandSigns v1.3, BookWorm v1.14, BKCommonLib v1.2, EnchantMore v1.0, SimpleSpleef v3.0.17, LegendaryItems v1.3_5 Beta, Herochat v5.5.0, AutoAnnouncer v1.7-03.23, HyperConomy v0.927, Essentials vDev2.9.296, MobRider v0.45.2-b43, CreeperHeal v5.0.1, MondoChest v0.5.3, Multiverse-Portals v2.4-b548, CraftBay v1.1.2, NoLagg v1.84, Residence v2.6.2, rescreative v0.1, Dynmap-Essentials v0.14, EssentialsSpawn vDev2.9.296, VanishNoPacket v3.10, LWC v4.2.1 (b700-git-MANUAL) (May 20, 2012), DeathChest v1.07, Dynmap-HeroChat v0.10, resfly v1.3, resperm v0.4, ResidenceSigns v2.3, MagicSpells v2.7-test, ResProtect v0.3, dynmap-residence v0.17

Try version 0.2.2 and tell me if that fixes the problem.