Happens when I have a quest window open with items as rewards.

361x Interface\AddOns\RatingBuster\RatingBuster-1.7.10.nil.lua:1728: attempt to index a nil value
[string "@interface\AddOns\RatingBuster\RatingBuster-1.7.10.nil.lua"]:1728: in function handler' [string "@Interface\AddOns\RatingBuster\libs\TipHooker-1.0\TipHooker-1.0-67029.lua"]:156: in function <...ns\RatingBuster\libs\TipHooker-1.0\TipHooker-1.0.lua:150> [string "=[C]"]: ? [string "=[C]"]: ? [string "=[C]"]: in function SetCompareItem'
[string "@interface\FrameXML\GameTooltip.lua"]:650: in function <Interface\FrameXML\GameTooltip.lua:647>
[string "=[C]"]: in function `GameTooltip_ShowCompareItem'
[string "@Interface_Vanilla\FrameXML\QuestInfo.lua"]:998: in function <Interface_Vanilla\FrameXML\QuestInfo.lua:986>

Locals:
tooltip = ShoppingTooltip1 {
0 =
SetText = defined =[C]:-1
GetBackdropColor = defined @interface\SharedXML\SharedTooltipTemplates.lua:191
SetHyperlink = defined =[C]:-1
SetGuildBankItem = defined =[C]:-1
SetBackdropBorderColor = defined @interface\SharedXML\SharedTooltipTemplates.lua:195
SetCraftItem = defined =[C]:-1
ClearLines = defined =[C]:-1
ARKTTD =

{
}
TopOverlay = {
}
GetBackdropBorderColor = defined @interface\SharedXML\SharedTooltipTemplates.lua:199
SetItemByID = defined =[C]:-1
SetLootItem = defined =[C]:-1
SetQuestItem = defined =[C]:-1
SetBorderBlendMode = defined @interface\SharedXML\SharedTooltipTemplates.lua:203
FadeOut = defined =[C]:-1
SetInboxItem = defined =[C]:-1
SetBuybackItem = defined =[C]:-1
SetMerchantItem = defined =[C]:-1
SetMerchantCostItem = defined =[C]:-1
SetQuestLogItem = defined =[C]:-1
SetTradeTargetItem = defined =[C]:-1
PawnIconFrame = {
}
SetTradePlayerItem = defined =[C]:-1
SetCompareItem = defined =[C]:-1
SetSendMailItem = defined =[C]:-1
updateTooltip = 0.200000
NineSlice = {
}
SetInventoryItem = defined =[C]:-1
SetTradeSkillItem = defined =[C]:-1
SetLootRollItem = defined =[C]:-1
TooltipBackdropOnLoad = defined @interface\SharedXML\SharedTooltipTemplates.lua:172
layoutType = "TooltipDefaultLayout"
SetAuctionSellItem = defined =[C]:-1
SetBagItem = defined =[C]:-1
needsReset = true
SetCraftSpell = defined =[C]:-1
SetBackdropColor = defined @interface\SharedXML\SharedTooltipTemplates.lua:187
BottomOverlay = {
}
SetAuctionItem = defined =[C]:-1
}
name = "Worn Mace"
link = "|cffffffff|Hitem:36::::::::4:::::::::|h[Worn Mace]|h|r"
(*temporary) = {
WorldFrame = true
UIParent = true
}
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = "attempt to index a nil value"
scanningParents = {
WorldFrame = true
UIParent = true
}
select = defined =[C]:-1
calcLevel = 4
globalDB = {
sumShowIcon = true
calcDiff = true
sumIgnoreEquipped = false
hideBlizzardComparisons = true
sumBlankLineAfter = false
sumShowTitle = true
showItemLevel = false
showSum = true
sumStatColor = {
}
calcSum = true
showItemID = false
sumValueColor = {
}
useRequiredLevel = true
sumSortAlpha = false
sumIgnoreUnused = true
sumIgnoreEnchant = true
sumBlankLine = true
customLevel = 0
sumDiffStyle = "main"
sumIgnoreGems = false
textColor = {
}
}
playerLevel = 4
GetItemInfo = defined @interface\AddOns\RatingBuster\RatingBuster.lua:79
profileDB = {
sumFireResist = false
sumNatureDmg = false
sumHitAvoid = false
sumTankPoints = false
sumHaste = false
sumGemBlue = {
}
sumDodgeNeglect = false
enableAvoidanceDiminishingReturns = false
showRAPFromAgi = false
sumCrit = false
sumShadowResist = false
sumFireDmg = false
sumMP5NC = false
sumBlockNeglect = false
sumFrostResist = false
sumShadowDmg = false
sumRangedHit = false
showStats = true
sumGemYellow = {
}
showArmorFromAgi = false
sumSpellHit = true
sumIgnoreArmor = false
sumHealing = true
showMP5FromSpi = true
showBlockValueFromStr = false
sumNatureResist = false
sumHP5OC = false
showSpellCritFromInt = true
sumRangedCritRating = false
sumSpi = false
sumParryNeglect = false
sumSpellHasteRating = false
sumArcaneDmg = false
sumAvoidWithBlock = false
sumDefense = false
sumSpellCritRating = false
sumTotalReduction = fal