What steps will reproduce the problem?
1. enter following:
2. /qh find npc QuestHelper\director_find.lua line 9:
   attempt to perform arithmetic on a nil value Chu'a'lor

What is the expected output? What do you see instead?

What version of the product are you using?
QuestHelper, v1.3.5

Do you have an error log of what happened?
Date: 2009-12-18 19:07:20
ID: 1
Error occured in: Global
Count: 1
Message: ..\AddOns\QuestHelper\director_find.lua line 9:
   attempt to perform arithmetic on a nil value
Debug:
   (tail call): ?
   [C]: ?
   QuestHelper\director_find.lua:9
      QuestHelper\director_find.lua:4
   QuestHelper\director_find.lua:123 ?()
   QuestHelper\help.lua:981 QuestHelper_SlashCommand()
   QuestHelper\help.lua:996 value()
   ..\FrameXML\ChatFrame.lua:3565 ChatEdit_ParseText()
   ..\FrameXML\ChatFrame.lua:3213 ChatEdit_SendText()
   ..\FrameXML\ChatFrame.lua:3237 ChatEdit_OnEnterPressed()
   [string "*:OnEnterPressed"]:1:
      [string "*:OnEnterPressed"]:1
AddOns:
  Swatter, v5.7.4568 (KillerKoala)
  QuestHelper, v1.3.5
  (ck=cba)

-------------------------------------------------------
msg: Too many stored objectives (24711 0 1)
toc: 1.3.5
v: 1.3.5
game: 3.3.0
locale: enUS
timestamp: 2009-12-18 17:46:22
mutation: nil
silent: true

Interface\AddOns\QuestHelper\director_quest.lua:733 in function `QH_UpdateQuests'
Interface\AddOns\QuestHelper\db_get.lua:112 in function `DB_Init'
Interface\AddOns\QuestHelper\main.lua:458 in function <Interface\AddOns\QuestHelper\main.lua:406

addons:

---- Following loud error

msg: Interface\AddOns\QuestHelper\director_find.lua:9 attempt to perform arithmetic on a nil value
toc: 1.3.5
v: 1.3.5
game: 3.3.0
locale: enUS
timestamp: 2009-12-18 19:07:20
mutation: nil
silent: false

[C]: ?
Interface\AddOns\QuestHelper\director_find.lua:9 in function <Interface\AddOns\QuestHelper\director_find.lua:4
Interface\AddOns\QuestHelper\director_find.lua:123 in function `?'
Interface\AddOns\QuestHelper\help.lua:981 in function `QuestHelper_SlashCommand'
Interface\AddOns\QuestHelper\help.lua:996 in function `value'
Interface\FrameXML\ChatFrame.lua:3565 in function `ChatEdit_ParseText'
Interface\FrameXML\ChatFrame.lua:3213 in function `ChatEdit_SendText'
Interface\FrameXML\ChatFrame.lua:3237 in function `ChatEdit_OnEnterPressed'
[string "*:OnEnterPressed"]:1: in function <[string "*:OnEnterPressed"]:1>

addons:
  AckisRecipeList, v1.0 2769
  ACP, v3.2.0.26
  AdvancedTradeSkillWindow
  Ailo
  Atlas, v1.15.2
  AtlasBattlegrounds, v1.15.2
  AtlasDungeonLocs, v1.15.2
  AtlasOutdoorRaids, v1.15.2
  AtlasTransportation, v1.15.2
  AtlasLoot, vAtlasLoot Enhanced v5.09.01
  AtlasLootFu, vv5.09.01
  AucAdvanced, v5.7.4568
  AucFilterBasic, v5.7.4568 (KillerKoala)
  AucScanData, v1.2
  AucStatClassic, v5.7.4568 (KillerKoala)
  AucStatHistogram, v5.7.4568 (KillerKoala)
  AucStatiLevel, v5.7.4568 (KillerKoala)
  AucStatPurchased, v5.7.4568 (KillerKoala)
  AucStatSimple, v5.7.4568 (KillerKoala)
  AucStatStdDev, v5.7.4568 (KillerKoala)
  AucUtilFixAH, v5.7.4568 (KillerKoala)
  auctionsnatch, vr10
  Bartender4, v4.4.2
  BeanCounter, v5.7.4568 (KillerKoala)
  Broker2FuBar, v1.0
  BrokerEpicAvg, v0.1
  BrokerTradeCooldowns, v1.12.4-release
  Clique, vSVN
  EMLib
  Enchantrix, v5.7.4568
  EnchantrixBarker, v5.7.4568 (KillerKoala)
  EnsidiaFails
  epgp, v5.5.13
  epgplootmaster, v0.4.6
  epgplootmasterml, v0.4.6
  FuBarDurabilityFu, v2.11
  FuBarLocationFu, v3.0
  FuBarMoneyFu, vv1.2.2
  FuBarPortalFu, v1.14
  FuBar, v90003
  Gatherer, v3.1.14
  GathererHUD, v3.1.14
  GuildPanel
  GPHelper, v1.30
  GuildProfs, v3.0.0
  HitAssist, v2.4.4
  IgnoreMore, v1.1.0
  Informant, v5.7.4568
  LibPeriodicTable31, vv3.2.2.234
  LibRock10
  LightHeaded, v301
  LilSparkysWorkshop, v1.00
  Looter
  NazGuildRecruiter, v1.7
  Omen, v3.0.8
  Outfitter, v4.9.3
  Overachiever, v0.52
  OverachieverTabs, v0.52
  OverachieverTrade, v0.52
  PallyPower, vv3.2.9-release
  Postal, v3.3.0
  PowerAuras, v2.6.3M
  QuestHelper, v1.3.5
  RaidBuffStatus, v3.244
  RatingBuster, v1.4.8 (r$Revision: 271 $)
  Recount, v1109
  RecountGuessedAbsorbs
  CharacterProfiler, v3.1.0
  SilverDragon, vv2.3.3
  SlideBar, v5.7.4568 (KillerKoala)
  SpeakinSpell, v3.3.0.05
  Stubby, v130
  Swatter, v5.7.4568
  Talented, vv2.4.4-release
  TalentedSpecTabs, vv2.4.4-release
  totemguru, v6.0
  UberInventory, v3.0
  UndressButton
  VisualHeal
  XPerl, v3.0.7
  XPerlArcaneBar
  XPerlCustomHighlight
  XPerlPartyPet
  XPerlParty
  XPerlPlayerBuffs
  XPerlPlayerPet
  XPerlPlayer
  XPerlRaidAdmin
  XPerlRaidHelper
  XPerlRaidMonitor
  XPerlRaidPets
  XPerlRaidFrames
  XPerlTargetTarget
  XPerlTarget
  XPerlTutorial
  DBMCore
  DBMLDB
  DBMBurningCrusade
  DBMPartyWotLK

Please provide any additional information below.