[질문] Lua 오류가 자꾸 뜨네요 ㅠ

Message: Interface\AddOns\TipTac\core.lua:1324: Usage: ShoppingTooltip2TextLeft3:SetFont("font", fontHeight [, flags])
Time: 03/01/10 11:44:45
Count: 2
Stack: [C]: in function `SetFont'
Interface\AddOns\TipTac\core.lua:1324: in function <Interface\AddOns\TipTac\core.lua:1319>
[C]: in function `Show'
...tInfo\libs\LibItemTooltip-1.0\LibItemTooltip-1.0.lua:78: in function <...tInfo\libs\LibItemTooltip-1.0\LibItemTooltip-1.0.lua:67>
[C]: in function `SetHyperlinkCompareItem'
Interface\FrameXML\GameTooltip.lua:325: in function `GameTooltip_ShowCompareItem'
[string "*:OnTooltipSetItem"]:3: in function <[string "*:OnTooltipSetItem"]:1>
[C]: ?
[C]: ?
[C]: ?
[C]: in function `SetBagItem'
Interface\AddOns\ItemRack\ItemRack.lua:1371: in function `func'
Interface\AddOns\ItemRack\ItemRack.lua:748: in function `OnUpdate'
[string "*:OnUpdate"]:1: in function <[string "*:OnUpdate"]:1>

Locals: (*temporary) = ShoppingTooltip2TextLeft3 {
0 = <userdata>
}
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil

경매장에서 아이템 쉬프트 누르면 자꾸 뜨거든요 ㅠㅠ

이거 멀바꿔야하나여?