WowAce

What steps will reproduce the problem?
1. logging in and hovering over an item
2.
3.

What is the expected output? What do you see instead?
nothing

What version of the product are you using?
current version

Do you have an error log of what happened?
yes , below is the error log

Please provide any additional information below.
Date: 2013-08-01 00:31:49
ID: 1
Error occured in: Global
Count: 1
Message: ...ingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua line 9967:
   attempt to index field '?' (a nil value)
Debug:
   ...ingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:9967:
      ...ingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:9944
   (tail call): ?
   RatingBuster\RatingBuster.lua:2547: handler()
   ...ingBuster\libs\LibTipHooker-1.1\LibTipHooker-1.1.lua:179:
      ...ingBuster\libs\LibTipHooker-1.1\LibTipHooker-1.1.lua:174
   [C]: ?
   [C]: SetBagItem()
   ..\FrameXML\ContainerFrame.lua:815: ContainerFrameItemButton_OnEnter()
   Bagnon\components\item.lua:432: ShowTooltip()
   Bagnon\components\item.lua:252:
      Bagnon\components\item.lua:241
Locals:
self = <table> {
GetRAPFromAgi = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:11146
StatModTable = <table> {
}
SetTip = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:102
ItemSetFrame = StatLogicItemSetFrame {
}
SpellSchools = <table> {
}
RemoveEnchant = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:11943
BuildGemmedTooltip = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:12130
GetGemID = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:12217
GetSum = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:12424
GetStanceIcon = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:6355
GetDodgeChanceBeforeDR = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:10206
GetAvoidanceAfterDR = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:10325
RemoveGem = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:11964
GetStatMod = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:9944
wowBuildNo = 17128
PlayerHasAura = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:6363
tip = LibStatLogic-1.2Tooltip {
}
RemoveEnchantGem = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:12063
PlayerHasItemSet = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:6431
GetEffectFromDefense = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:10464
ModEnchantGem = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:12089
GetFinalArmor = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:12893
GetClassIdOrName = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:6138
GetAPFromAgi = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:11069
GetNormalManaRegenFromSpi = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:11811
GetSpellCritFromInt = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:11679
GetHealthFromSta = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:11534
GetStatNameFromID = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:5769
GetCritFromAgi = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:11498
StatModInfo = <table> {
}
SlotHasEnchant = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:9815
GetDodgeFromAgi = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:11365
GetAvoidanceGainAfterDR = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:10364
GetReductionFromArmor = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:10423
GetParryChanceBeforeDR = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:10251
Minor = "$Revision: 74 $"
PlayerHasGlyph = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:6389
Major = "LibStatLogic-1.2"
GetDiff = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:13145
ArmorSpecFrame = StatLogicItemSetFrame {
}
GetRAPPerAgi = <function> defined @Interface\AddOns\RatingBuster\libs\LibStatLogic-1.2\LibStatLogic-1.2.lua:11115
GetHealthRegenFromSpi = <functi
AddOns:
  Swatter, v4.3.1 (<%codename%>)
  AucAdvanced, v5.17.5413 (NeedyNoddy)
  AucFilterBasic, v5.17.5413 (NeedyNoddy)
  AucFilterOutlier, v5.17.5413.5347(5.17/embedded)
  AucMatchUndercut, v5.17.5413.5364(5.17/embedded)
  AucScanData, v5.17.5413 (NeedyNoddy)
  AucStatHistogram, v5.17.5413 (NeedyNoddy)
  AucStatiLevel, v5.17.5413 (NeedyNoddy)
  AucStatPurchased, v5.17.5413 (NeedyNoddy)
  AucStatSales, v5.17.5413.5376(5.17/embedded)
  AucStatSimple, v5.17.5413 (NeedyNoddy)
  AucStatStdDev, v5.17.5413 (NeedyNoddy)
  AucStatWOWEcon, v5.17.5413.5323(5.17/embedded)
  AucUtilAHWindowControl, v5.17.5413.5347(5.17/embedded)
  AucUtilAppraiser, v5.17.5413.5393(5.17/embedded)
  AucUtilAskPrice, v5.17.5413.5347(5.17/embedded)
  AucUtilAutoMagic, v5.17.5413.5392(5.17/embedded)
  AucUtilCompactUI, v5.17.5413.5400(5.17/embedded)
  AucUtilEasyBuyout, v5.17.5413.5347(5.17/embedded)
  AucUtilFixAH, v5.17.5413 (NeedyNoddy)
  AucUtilItemSuggest, v5.17.5413.5365(5.17/embedded)
  AucUtilPriceLevel, v5.17.5413.5365(5.17/embedded)
  AucUtilScanButton, v5.17.5413.5403(5.17/embedded)
  AucUtilScanFinish, v5.17.5413.5347(5.17/embedded)
  AucUtilScanProgress, v5.17.5413.4979(5.17/embedded)
  AucUtilScanStart, v5.17.5413.5347(5.17/embedded)
  AucUtilSearchUI, v5.17.5413.5373(5.17/embedded)
  AucUtilSimpleAuction, v5.17.5413.5388(5.17/embedded)
  AucUtilVendMarkup, v5.17.5413.4828(5.17/embedded)
  Babylonian, v5.1.DEV.332(/embedded)
  BagBrother, v
  Bagnon, v5.3.6
  Bartender4, v4.5.10
  BeanCounter, v5.17.5413 (NeedyNoddy)
  BGSpy, v1.2.6
  Configator, v5.1.DEV.344(/embedded)
  DBMCore, v
  DebugLib, v5.1.DEV.337(/embedded)
  Enchantrix, v5.17.5413 (NeedyNoddy)
  EnchantrixBarker, v5.17.5413 (NeedyNoddy)
  Gatherer, v4.3.1
  GladiatorlosSA, v2.0
  HealBot, v5.3.0.8
  HealBotTips, v5.3.0.8
  HealersHaveToDie, v2.1.4
  identity2, v2.1-50001
  Informant, v5.17.5413 (NeedyNoddy)
  LibExtraTip, v5.12.DEV.350(/embedded)
  MessageBoard, v
  MogIt, v3.1.5
  MoveAnything, v13.6.1
  RatingBuster, v1.6.7
  Recount, v
  SexyMap, v2.4.8
  SlideBar, v4.3.1 (<%codename%>)
  Stubby, v5.17.5413 (NeedyNoddy)
  TipHelper, v5.12.DEV.351(/embedded)
  Titan, v5.1.21.50300
  TitanBag, v5.1.21.50300
  TitanClock, v5.1.21.50300
  TitanCurrency, v5.8
  TitanGold, v5.1.21.50300
  TitanLocation, v5.1.21.50300
  TitanLootType, v5.1.21.50300
  TitanPerformance, v5.1.21.50300
  TitanRepair, v5.1.21.50300
  TitanVolume, v5.1.21.50300
  TitanXP, v5.1.21.50300
  XPerl, v3.7.1
  XPerlArcaneBar, v
  XPerlParty, v
  XPerlPartyPet, v
  XPerlPlayer, v
  XPerlPlayerBuffs, v
  XPerlPlayerPet, v
  XPerlRaidAdmin, v
  XPerlRaidFrames, v
  XPerlRaidHelper, v
  XPerlRaidPets, v
  XPerlTarget, v
  XPerlTargetTarget, v
  BlizRuntimeLib_enUS v5.3.0.50300 <us>
  (ck=aaa)

You are not using the current version. As you can see in your list of addons you use version 1.6.7. Update to the latest alpha (currently r397) and the errors will be gone.