Quest Complete Bug

[Ethuldoc]

The quest complete voice is looping and you can't get it to stop without reloading your ui after every quest. I get this error when I log into the game.

Date: 2010-10-15 11:49:16
ID: 1
Error occured in: Global
Count: 1
Message: ..\AddOns\Carbonite\Carbonite.lua line 6433:
bad argument #1 to 'strfind' (string expected, got nil)
Debug:
[C]: ?
[C]: strfind()
Carbonite\Carbonite.lua:6433: RQL()
Carbonite\Carbonite.lua:9601: ReQ1()
Carbonite\Carbonite.lua:14565: ?()
Carbonite\Carbonite.lua:23190:
Carbonite\Carbonite.lua:23182
AddOns:
Swatter, v3.1.15 (<%codename%>)
AdvancedTradeSkillWindow, v
ArkInventory, v3.02
ArkInventoryRules, v
Atlas, v1.17.1
AtlasBattlegrounds, v1.17.1
AtlasDungeonLocs, v1.17.1
AtlasOutdoorRaids, v1.17.1
AtlasTransportation, v1.17.1
AtlasLoot, vv5.11.05
AtlasLootFu, vv5.11.05
Babylonian, v5.1.DEV.130
Bartender4, v4.4.12
Carbonite, v4.0003
CarboniteTransfer, v1.01
Clique, vv40000-1.2.6
Configator, v5.1.DEV.278
CTCore, v4.002
CTRaidAssist, v4.002
CTRaidAssistMTPlayers, v4.002
DBMCore, v
Fizzle, vv1.5.2
Gatherer, v3.1.15
OmniCC, v3.1.4
Postal, v3.4.2
Prat30, v3.4.6
Prat30HighCPUUsageModules, v
Prat30Libraries, v
SellJunk, v3.0
Skada, v1.2-29
SkadaAbsorbs, v1.0
SkadaCC, v1.0
SkadaDamage, v1.0
SkadaDamageTaken, v1.0
SkadaDeaths, v1.0
SkadaDebuffs, v1.0
SkadaDispels, v1.0
SkadaEnemies, v1.0
SkadaFailbot, v1.0
SkadaHealing, v1.0
SkadaPower, v1.0
SkadaThreat, v1.0
SlideBar, v3.1.15 (<%codename%>)
XPerl, v3.1.0 Beta 2
XPerlArcaneBar, v
XPerlParty, v
XPerlPartyPet, v
XPerlPlayer, v
XPerlPlayerBuffs, v
XPerlPlayerPet, v
XPerlRaidAdmin, v
XPerlRaidHelper, v
XPerlRaidMonitor, v
XPerlTarget, v
XPerlTargetTarget, v
BlizRuntimeLib_enUS v4.0.1.40000 <us>
(ck=4f3)