May be related, but to be sure, creating a new ticket.

Date: 2007-11-20 18:25:06
ID: 50
Error occured in: Hooked Function
Count: 1
Message: Error while calling hook:
Hook name:
  EnhTooltip.AddTooltip
..\AddOns\BtmScan\EvalAppraiser.lua line 63:
   attempt to compare nil with number
Instantiated from:
  ..\AddOns\BtmScan\btmMain.lua line 98:
   in function `OnLoad'
Debug:
   BtmScan\EvalAppraiser.lua:63: valuate()
   BtmScan\btmMain.lua:554: EvaluateItem()
   BtmScan\btmMain.lua:1263:
      BtmScan\btmMain.lua:1156
   (tail call): ?
   [C]: xpcall()
   Stubby\Stubby.lua:359:
      Stubby\Stubby.lua:324
   (tail call): ?
   EnhTooltip\Tooltip.lua:1212: TooltipCall()
   BtmScan\btmMain.lua:1315:
      BtmScan\btmMain.lua:1301
AddOns:
  AckisRecipeList, v0.61
  agUnitFrames, v05-01-07
  Aloft, vr45867
  AlphaMap, v2.94.20300
  AtlasLoot, vAtlasLoot Enhanced v4.02.00
  AtlasLootBCInstances, v4.02.00
  AtlasLootOldInstances, v4.02.00
  AtlasLootRepFactions, v4.02.00
  AtlasLootSetsandPvP, v4.02.00
  AtlasLootWorldLoot, v4.02.00
  AucAdvanced, v5.0.DEV
  AucDb, v<%version%>
  AucFilterBasic, v<%version%> (<%codename%>)
  AucFilterOutlier, v<%version%> (<%codename%>)
  AucMatchUndercut, v<%version%> (<%codename%>)
  AucScanData, v1.0
  AucStatDebug, v<%version%> (<%codename%>)
  AucStatPurchased, v<%version%> (<%codename%>)
  AucStatSimple, v<%version%> (<%codename%>)
  AucStatStdDev, v<%version%> (<%codename%>)
  AucUtilAppraiser, v<%version%> (<%codename%>)
  AucUtilAskPrice, v<%version%> (<%codename%>)
  AucUtilCompactUI, v<%version%> (<%codename%>)
  AucUtilPriceLevel, v<%version%> (<%codename%>)
  AucUtilScanButton, v<%version%> (<%codename%>)
  AucUtilScanFinish, v<%version%> (<%codename%>)
  AucUtilScanProgress, v<%version%> (<%codename%>)
  AucUtilSearchUI, v<%version%> (<%codename%>)
  AucUtilVendMarkup, v<%version%> (<%codename%>)
  AuldLangSyne, vr52755
  AuldLangSyneBackup, v2.0
  AuldLangSyneFriendList, v2.0
  AuldLangSyneFu, v2.0
  AuldLangSyneGuildList, v2.0
  AuldLangSyneInfo, v2.0
  AuldLangSyneNote, v2.0
  AuldLangSynePanel, v2.0
  AuldLangSyneSync, v2.0
  AutomaticLFG, v1.0
  Automaton, v1.3.0
  Babylonian, v<%version%> (<%codename%>)
  Bartender3, v3.1.2 r55496
  BeanCounter, v<%version%> (<%codename%>)
  BetterItemCount, v1.1
  BetterKeyBinding
  BtmScan, v4.1.0-DEV
  CastTime
  CensusPlus, v4.1.4
  Chronos, v2.11
  ClearFont2, v2.1
  CombatCaller
  Configator, v<%version%> (<%codename%>)
  CooldownTimers2, v2.5
  CopyThat
  CrowBar, v1.0.55081
  CtrlInvite
  DamageMeters, v5.7.0
  DebugLib, v<%version%> (<%codename%>)
  DevTools
  DurabilityStatus
  EasyDestroy
  Elephant, v2.5
  ElkBuffBars, v2.1
  Enchantrix, v4.0.DEV
  EnchantrixBarker, v<%version%> (<%codename%>)
  EnhancedFlightMap, v2.0.5
  EnhTooltip, v4.9.DEV
  EnvenomX, v1.0
  EquipCompare, v2.11
  Examiner, v07.11.12
  FeatureFrame
  FireTree
  FishingBuddy, v0.9.3i
  FBOutfitDisplayFrame, v0.9.3i
  FBTrackingFrame, v0.9.3b
  FluidFrames, v1.8
  FuBarAmmoFu, v2.0
  FuBarBagFu, v2.0
  FuBarBattlegroundFu, v2.0
  FuBarClockFu, v3.0
  FuBarDigiCamFu, v2.1
  FuBarDurabilityFu, v2.0
  FuBarExperienceFu, v1.1 $Revision: 55081 $
  FuBarFactionItemsFu, v2.2.1
  FuBarFactionsFu, v2.2
  FuBarFarmerFu, v2.0.$Revision: 55081 $
  FuBarFishingBuddyFu, v2.2b
  FuBarFriendsFu, v2.4
  FuBarGCInFu, v2.0
  ItemRackFu, v2.0.9785
  FuBarLocationFu, v2.0
  FuBarMailFu, v2.0
  FuBarMarkOfHonorFu, v20200.01
  FuBarMicroMenuFu, v2.0
  FuBarMoneyFu, v20000-1
  FuBarMonkeyQuestFu, v1.1.1
  FuBarPerformanceFu, v2.0
  FuBarPoisonReminderFu, v1.0
  FuBarRecZone, v2.0.$Revision: 55081 $
  FuBarReloadUI, v2.0.0
  FuBarReportAFK, v2
  FuBarRestFu, v2.0
  FuBarSpeedFu, v2.0.$Revision: 55081 $
  StanceSetsFu, v1.0
  FuBarTalkFu, v1.0
  FuBarToFu, v2.0
  FuBarVolumeFu, v2.0.$Revision: 55081 $
  FuBartTracker, v0.2
  FuBar, v50710
  FuTextures, v2.0
  Gatherer, v3.0-DEV
  Gymnast
  Historian, v1.0.1.6
  ImprovedCamera, v2.0.1
  Informant, v4.1.DEV
  ItemRack
  AbacusLib
  Ace2
  AnchorsAway, v1.0
  BabbleBoss22, v2.2.$Revision: 54514 $
  BabbleClass22, v2.2.$Revision: 54514 $
  BabbleFaction22, v2.2.$Revision: 54514 $
  BabbleInventory22, v2.2.$Revision: 54514 $
  BabbleSpell22, v2.2.$Revision: 54514 $
  BabbleTradeskill22, v2.2.$Revision: 54514 $
  BabbleZone22, v2.2.$Revision: 54514 $
  Babble22, v2.2.$Revision: 54514 $
  BanzaiLib, v1.1
  CandyBar
  CrayonLib
  Deformat, v1.0 $Revision: 3817 $
  DewdropLib
  FuBarPlugin20, v2.0 $Revision: 54514 $
  GloryLib
  GratuityLib, vr$Revision: 54514 $
  JostleLib
  LibStub
  Metrognome, v2.0
  OneStorage, v2.0.$Revision: 55087 $
  PaintChipsLib
  Parser30, v3.0
  PeriodicTable30, v3.0
  RollCall10, v1.0
  RosterLib, v2.1
  SharedMediaLib, v1.0
  SinkLib
  SpecialEventsEmbed
  SpecialEventsAura20
  SpecialEventsLoot10
  SurfaceLib
  TabletLib
  TagCompiler10, v1.0
  TheSocial10, v1.0
  Threat10, v2.1
  TouristLib
  Waterfall10
  WindowLib
  LibBabbleSpell30
  LibFuBarPlugin30, v2.0 $Revision: 44269 $
  LibJostle30
  LibRock10
  LibRockConfig10
  LibRockDB10
  LibRockEvent10
  LibRockHook10
  LibRockLocale10
  LibRockTimer10
  LibSharedMedia20
  Localization, v0.07
  LockSmith, v1.0.55081
  MapNotes, v4.10.20300
  MasterTradeSkills, v2.01.03
  MobHealth, v3.2
  MobInfo2, v3.48
  MobInfo2Browser, v1.31
  MonkeyBuddy, v2.6.1
  MonkeyLibrary
  MonkeyQuest, v2.6.3
  MonkeyQuestLog, v0.5.1
  MozzFullWorldMap, vv3.15.20300
  Niagara, v1.0 r49275
  nLog, v4.9.DEV
  NoBoPWarning
  OneBag, v2.0.55081
  OneRing, v2.0.55081
  OneSpiritResWarning
  OneView, v2.0.55081
  Postman, v2.0.53232
  QuestHistory, v2.1.2
  RaidGroupNumber, v1.0.18244
  ReagentData, v2.2.2
  ReagentInfo, v2.2.2
  RecipeBook, v2.2.1a
  RepStanding
  Satellite, v1.8
  sct, v5.7
  SCTCooldowns, v0.1
  SCTSpellReady, v0.8
  sctd, v2.4
  Sea, v1.35
  SharedMedia, v1.0
  SharedMediaAdditionalBackgrounds, v1.0
  SharedMediaAdditionalFonts, v1.0
  Sheppard, v1.1
  SilverDragon, v2.0.38392
  SimpleCombatLog, v1.3.0.54892
  simpleMinimap, v20100-6
  Skillet, v1.10-55300
  SkillsTip
  SlideBar, v<%version%> (<%codename%>)
  SmartQueue, vStill work in pregress.
  SpellBinder, v1.2
  Stubby, v2
  Surfaces, v0_o
  Swatter, v4.1.DEV
  TasteTheNaimbow
  TidyMinimap, v0.3
  TweakHub, v1.0
  TweakHubAutomation, v1.0
  TweakHubChat, v1.1
  TweakHubCombatLogger, v1.1
  TweakHubInbox, v1.0
  TweakHubMerchant, v1.0
  TweakHubReputation, v1.0
  WeaponQuickSwap
  StanceSets
  WIM, v2.2.28
  WOWEconPriceMod
  XBar, v1.16
  XBarLocalizer, v1.01
  XCustomBar, v1.08
  XLootGroup, v0.5
  XLootMaster, v0.6
  XLootMonitor, v0.7
  XLoot, v0.9
  XPetStuffBar, v1.04
  XRayVision
  XRogueBar, v1.07
  XTrackBar, v1.05
  XTradeBar, v1.10