Authors CurseForge

sct-6.2\sct.lua:581: bad argument #3 to 'string_format' (string expected, got nil)
sct-6.2\sct.lua:581: in function `?'
CallbackHandler-1.0-6:147: in function <...ack\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:147>
<string>:"safecall Dispatcher[14]":4: in function <[string "safecall Dispatcher[14]"]:4>
<in C code>: ?
<string>:"safecall Dispatcher[14]":13: in function `?'
CallbackHandler-1.0-6:92: in function `Fire'
AceEvent-3.0-3 (Postal):120: in function <...ace\AddOns\Postal\Libs\AceEvent-3.0\AceEvent-3.0.lua:119>

Postal-3.4.4\Modules\BlackBook.lua:471: attempt to compare number with nil
Interface\FrameXML\UIDropDownMenu.lua:69: in function `UIDropDownMenu_Initialize':
Interface\FrameXML\UIDropDownMenu.lua:790: in function `ToggleDropDownMenu':
<string>:"*:OnEnter":5: in function <[string "*:OnEnter"]:1>

Locals:
frame = Postal_DropDownMenu {
0 = <userdata>
displayMode = "MENU"
info = {}
initialize = <function> @ Postal\Modules\BlackBook.lua:329:
HideMenu = <function> @ Postal\Postal.lua:73:
levelAdjust = 0
UncheckHack = <function> @ Postal\Postal.lua:67:
}
initFunction = <function> @ Postal\Modules\BlackBook.lua:329:
displayMode = nil
level = 2
menuList = nil

---

function Postal_Express:InboxFrameItem_OnEnter(this, motion)
	self.hooks["InboxFrameItem_OnEnter"](this, motion)
	local tooltip = GameTooltip
	
	local money, COD, _, hasItem, _, wasReturned, _, canReply = select(5, GetInboxHeaderInfo(this.index))
	if Postal.db.profile.Express.MultiItemTooltip and hasItem and hasItem > 1 then
		for i = 1, ATTACHMENTS_MAX_RECEIVE do
			local name, itemTexture, count, quality, canUse = GetInboxItem(this.index, i);
			if name then
				local itemLink = GetInboxItemLink(this.index, i);
				if count > 1 then
	--				tooltip:AddDoubleLine("|T"..itemTexture..":0|t " .. ("%sx%d"):format(itemLink, count), count)
					tooltip:AddLine("|T"..itemTexture..":0|t " .. ("%sx%d"):format(itemLink, count))
				else
					tooltip:AddLine("|T"..itemTexture..":0|t " .. ("%sx%d"):format(itemLink, count))
				end
			end
		end
	end
	if (money > 0 or hasItem) and (not COD or COD == 0) then
		tooltip:AddLine(L["|cffeda55fShift-Click|r to take the contents."])
	end
	if not wasReturned and canReply then
		tooltip:AddLine(L["|cffeda55fCtrl-Click|r to return it to sender."])
	end
	tooltip:Show()
end