What steps will reproduce the problem?
1. Log in
2. Open your paper doll or bags
3. Hover over a piece of equipment

What is the expected output? What do you see instead?
An error shows up listed below

What version of the product are you using?
The latest version

Do you have an error log of what happened?
Date: 2009-08-22 02:21:42
ID: 1
Error occured in: Global
Count: 19
Message: ..\AddOns\GearScore\GearScore.lua line 476:
   attempt to index field '?' (a nil value)
Debug:
   (tail call): ?
   [C]: ?
   GearScore\GearScore.lua:476 GearScore_EquipCompare()
   GearScore\GearScore.lua:921
      GearScore\GearScore.lua:911
   [C]: func()
   QuestHelper\manager_event.lua:22
      QuestHelper\manager_event.lua:21
   (tail call): ?
   QuestHelper\manager_event.lua:43
      QuestHelper\manager_event.lua:25
   QuestHelper\manager_event.lua:161
      QuestHelper\manager_event.lua:161
   (tail call): ?
   (tail call): ?
   QuestHelper\manager_event.lua:43
      QuestHelper\manager_event.lua:25
   QuestHelper\manager_event.lua:161
      QuestHelper\manager_event.lua:161
   [C]: ?
   ...AddOns\Auc-Advanced\Libs\LibExtraTip\LibExtraTip.lua:279 GearScore_Original_SetInventoryItem()
   GearScore\GearScore.lua:986
      GearScore\GearScore.lua:984
   [C]: Outfitter_OrigSetInventoryItem()
   Outfitter\Outfitter.lua:6980 SetInventoryItem()
   ..\FrameXML\BankFrame.lua:26 BankFrameItemButton_OnEnter()
   [string "*:OnEnter"]:1:
      [string "*:OnEnter"]:1
AddOns:
  Swatter, v5.6.4397 (KangaII)
  WowheadLooter, v30201
  Align, v
  Atlas, v1.14.1
  AtlasBattlegrounds, v1.14.1
  AtlasDungeonLocs, v1.14.1
  AtlasOutdoorRaids, v1.14.1
  AtlasTransportation, v1.14.1
  AtlasLoot, vv5.07.03
  AtlasLootFu, vv5.07.03
  AucAdvanced, v5.6.4397 (KangaII)
  AucDb, v5.1.DEV.3583
  AucFilterBasic, v5.6.4397 (KangaII)
  AucFilterOutlier, v5.6.4397.2531
  AucMatchUndercut, v5.6.4397.2531
  AucScanData, v5.6.4397 (KangaII)
  AucStatClassic, v5.6.4397 (KangaII)
  AucStatHistogram, v5.6.4397 (KangaII)
  AucStatiLevel, v5.6.4397 (KangaII)
  AucStatPurchased, v5.6.4397 (KangaII)
  AucStatSales, v5.6.4397.2842
  AucStatSimple, v5.6.4397 (KangaII)
  AucStatStdDev, v5.6.4397 (KangaII)
  AucStatWOWEcon, v5.6.4397.2530
  AucUtilAHWindowControl, v5.6.4397.3311
  AucUtilAppraiser, v5.6.4397.2530
  AucUtilAskPrice, v5.6.4397.3175
  AucUtilAutoMagic, v5.6.4397.3142
  AucUtilCompactUI, v5.6.4397.2530
  AucUtilEasyBuyout, v5.6.4397.3583
  AucUtilItemSuggest, v5.6.4397.3108
  AucUtilPriceLevel, v5.6.4397.2545
  AucUtilScanButton, v5.6.4397.2530
  AucUtilScanFinish, v5.6.4397.2530
  AucUtilScanProgress, v5.6.4397.2530
  AucUtilSearchUI, v5.6.4397.3655
  AucUtilSimpleAuction, v5.6.4397.0
  AucUtilVendMarkup, v5.6.4397.2530
  Babylonian, v5.1.DEV.130
  BeanCounter, v5.6.4397 (KangaII)
  BonusScanner, v5.1
  BrokerBonusScanner, v1.2
  Cartographer, v2.0
  CartographerBattlegrounds, v2.0
  CartographerCoordinates, v2.0
  CartographerFoglight, v2.0
  CartographerGroupColors, v2.0
  CartographerGuildPositions, v2.0
  CartographerLookNFeel, v2.0
  CartographerNotes, v2.0
  CartographerPOI, v2.0
  CartographerWaypoints, v2.0
  CartographerZoneInfo, v2.0
  Chinchilla, vv2.0.8
  ClassTimer, v2.3
  Configator, v5.1.DEV.130
  DBMCore, v
  DebugLib, v5.1.DEV.130
  DetachedMiniButtons, v0.9.47
  Dominos, v1.10.3
  DominosRoll, v
  ElkBuffBars, v2.2.4-149
  Enchantrix, v5.6.4397 (KangaII)
  EnchantrixBarker, v5.6.4397 (KangaII)
  Factionizer, v30200.1
  GatherMate, vr676
  GatherMateSharing, v1.3
  GearScore, v2.2.09 - Release
  GearScoreRecount, v
  Informant, v5.6.4397 (KangaII)
  Livestock, v1.1.6
  MikScrollingBattleText, v5.4.63
  Omen, v3.0.8
  Outfitter, v4.8b6
  PallyPower, vv3.2.4-release
  Peggle, v1.02a
  Prat30, v3.2.4
  Prat30HighCPUUsageModules, v
  Prat30Libraries, v
  PreformAVEnabler, v2.41
  QuestHelper, v1.1.10
  RatingBuster, v
  Recount, v
  Routes, vv1.2.6-2-gbfa0cb5
  Skinner, vb1.10128.1
  SlideBar, v5.6.4397 (KangaII)
  Stubby, v5.6.4397 (KangaII)
  Titan, v4.2.8.30200 - Revision 302
  TitanAmmo, v4.2.8.30200
  TitanBag, v4.2.8.30200
  TitanClock, v4.2.8.30200
  TitanCoords, v4.2.8.30200
  TitanGoldTracker, v4.2.8.30200
  TitanLootType, v4.2.8.30200
  TitanPerformance, v4.2.8.30200
  TitanRegen, v4.2.8.30200
  TitanRepair, v4.2.8.30200
  TitanVolume, v4.2.8.30200
  TitanXP, v4.2.8.30200
  XPerl, v3.0.5e
  XPerlArcaneBar, v
  XPerlParty, v
  XPerlPartyPet, v
  XPerlPlayer, v
  XPerlPlayerBuffs, v
  XPerlPlayerPet, v
  XPerlRaidAdmin, v
  XPerlRaidFrames, v
  XPerlRaidHelper, v
  XPerlRaidMonitor, v
  XPerlRaidPets, v
  XPerlTarget, v
  XPerlTargetTarget, v
  BlizRuntimeLib_enUS v3.2.0.30200 <us>
  (ck=c63)

Please provide any additional information below.