When hovering over a currency icon I get 

25x TipTacItemRef\ttItemRef.lua:701: attempt to call field 'GetCurrencyLink' (a nil value)
[string "@TipTacItemRef\ttItemRef.lua"]:701: in function <TipTacItemRef\ttItemRef.lua:697>
[string "=[C]"]: in function `SetQuestCurrency'
[string "@Interface_Wrath\FrameXML\QuestInfo.lua"]:1027: in function <Interface_Wrath\FrameXML\QuestInfo.lua:1013>

Locals:
self = GameTooltip {
 0 = <userdata>
 ttNumLines = 0
 OnBackdropLoaded = <function> defined @SharedXML\Backdrop.lua:152
 GetBackdropColor = <function> defined @SharedXML\Backdrop.lua:390
 SetHyperlink = <function> defined =[C]:-1
 SetTradeSkillItem = <function> defined =[C]:-1
 _owner = QuestieFrame591 {
 }
 RightEdge = <unnamed> {
 }
 questOrder = <table> {
 }
 ttSetBackdropBorderColorLocked = true
 SetSocketGem = <function> defined =[C]:-1
 ClearBackdrop = <function> defined @SharedXML\Backdrop.lua:282
 SetPetAction = <function> defined =[C]:-1
 SetLootItem = <function> defined =[C]:-1
 BottomRightCorner = <unnamed> {
 }
 ttDefaultAnchored = false
 FadeOut = <function> defined @TipTac\ttCore.lua:1435
 numMoneyFrames = 1
 SetBuybackItem = <function> defined =[C]:-1
 SetMerchantItem = <function> defined =[C]:-1
 SetupTextureCoordinates = <function> defined @SharedXML\Backdrop.lua:214
 BottomOverlay = <unnamed> {
 }
 SetSpellByID = <function> defined =[C]:-1
 miniMapIcon = false
 manualOrder = <table> {
 }
 ttIcon = <unnamed> {
 }
 GetEdgeSize = <function> defined @SharedXML\Backdrop.lua:188
 updateTooltip = 0.100000
 SetInventoryItem = <function> defined =[C]:-1
 TopEdge = <unnamed> {
 }
 ttCount = <unnamed> {
 }
 SetLootRollItem = <function> defined =[C]:-1
 npcOrder = <table> {
 }
 SetAuctionSellItem = <function> defined =[C]:-1
 SetBagItem = <function> defined =[C]:-1
 SetAction = <function> defined =[C]:-1
 SetBackdropColor = <function> defined @TipTac\ttCore.lua:1638
 LeftEdge = <unnamed> {
 }
 SetAuctionItem = <function> defined =[C]:-1
 ttSetIconTextureAndText = <function> defined @TipTacItemRef\ttItemRef.lua:171
 SetSpellBookItem = <function> defined =[C]:-1
 ttUnit = <table> {
 }
 comparing = false
 SetCurrencyToken = <function> defined =[C]:-1
 SetGuildBankItem = <function> defined =[C]:-1
 hasMoney = 1
 SetBackdropBorderColor = <function> defined @TipTac\ttCore.lua:1646
 __tooltipUpdated = false
 Hide = <function> defined =[C]:-1
 ttDisplayingUnit = false
 SetCraftItem = <function> defined =[C]:-1
 ttLastUpdate = 0
 ttDisplayingAura = false
 ttBackdropBorderColorApplied = false
 ApplyBackdrop = <function> defined @TipTac\ttCore.lua:1622
 SetBackdrop = <function> defined @TipTac\ttCore.lua:1630
 ttBackdropColorApplied = false
 TopOverlay = <unnamed> {
 }
 GetBackdropBorderColor = <function> defined @SharedXML\Backdrop.lua:409
 GetBackdrop = <function> defined @SharedXML\Backdrop.lua:347
 SetUnitDebuff = <function> defined =[C]:-1
 SetItemByID = <function> defined =[C]:-1
 ttAnchorType = "mouse"
 SetQuestItem = <function> defined =[C]:-1
 SetCraftSpell = <function> defined =[C]:-1
 SetBorderBlendMode = <function> defined @SharedXML\Backdrop.lua:266
 SetTrainerService = <function> defined =[C]:-1
 SetExistingSocketGem = <function> defined =[C]:-1
 SetQuestCurrency = <function> defined =[C]:-1
 NineSlice = <unnamed> {
 }
 SetInboxItem = <function> defined =[C]:-1
 shoppingTooltips = <table> {
 }
 SetCurrencyTokenByID = <function> defined =[C]:-1
 BottomLeftCorner = <unnamed> {
 }
 SetQuestLogItem = <function> defined =[C]:-1
 OnBackdropSizeChanged = <function> defined @SharedXML\Backdrop.lua:182
 SetTradeTargetItem = <function> defined =[C]:-1
 HasBackdropInfo = <function> defined @SharedXML\Backdrop.lua:278
 SetTradePlayerItem = <function> defined =[C]:-1
 Center = <unnamed> {
 }
 SetSendMailItem = <function> defined =[C]:-1
 ttSetBackdropLocked = true
 TopLeftCorner = <unnamed> {
 }
 BottomEdge = <unnamed> {
 }
 SetUnit = <function> defined =[C]:-1
 SetUnitBuff = <function> defined =[C]:-1
 statusBarPool = <table> {
 }
 SetUnitAura = <function> defined =[C]:-1
 TopRightCorner = <unnamed> {
 }
 backdropInfo = <table> {
 }
 ttSetBackdropColorLocked = true
 needsReset = true
 SetupPieceVisuals = <function> defined @SharedXML\Backdrop.lua:246
 ttAnchorPoint = "BOTTOMLEFT"
 SetQuestLogCurrency = <function> d