3x ...ceTradeSkillMaster_Mailing\Modules\Inbox-Inbox.lua:329: attempt to perform arithmetic on a nil value
...ceTradeSkillMaster_Mailing\Modules\Inbox-Inbox.lua:329: in function `InboxUpdate'
...ceTradeSkillMaster_Mailing\Modules\Inbox-Inbox.lua:159: in function <...ceTradeSkillMaster_Mailing\Modules\Inbox.lua:119>
[C]: in function `Show'
FrameXML\UIParent.lua:2336: in function `SetUIPanel'
FrameXML\UIParent.lua:2177: in function `ShowUIPanel'
FrameXML\UIParent.lua:2048: in function <FrameXML\UIParent.lua:2044>
[C]: in function `SetAttribute'
FrameXML\UIParent.lua:2830: in function `ShowUIPanel'
FrameXML\MailFrame.lua:49: in function <FrameXML\MailFrame.lua:47>
[C]: in function `TurnOrActionStop'
[string "TURNORACTION"]:4: in function <[string "TURNORACTION"]:1>

Locals:
self = <table> {
 moneyCollected = 0
 ShouldDeleteMail = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:521
 GetBagSlots = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:493
 collectGold = 0
 StartOpenMail = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:763
 allowTimerStart = true
 UpdateTopLabel = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:276
 MailThreadDone = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:744
 PrintOpenMailMessage = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:574
 ShouldOpenMail = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:533
 frame = <unnamed> {
 }
 cacheFrame = <unnamed> {
 }
 GetFirstInboxItemLink = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:770
 CanLootMailIndex = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:385
 InboxUpdate = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:302
 recheckTime = 1
 RequestSellerInfo = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:249
 lastTotal = 57
 OpenMailThread = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:625
}
numMail = 50
totalMail = 57
greenColor = "|cff00ff00"
redColor = "|cffff0000"
mailInfo = <table> {
 1 = ""
}
collectGold = 0
(for index) = 1
(for limit) = 50
(for step) = 1
i = 1
isInvoice = false
_ = 132762
_ = 134327
sender = "Ressie"
subject = "Gorian Knuckles of the Quickblade"
money = 0
cod = 0
daysLeft = 30.99829864502
hasItem = 2
itemLink = "|cffffffff|Hitem:116616::::::::97:64:::2:91:550:::|h[]|h|r"
quantity = 0
(for index) = 1
(for limit) = 2
(for step) = 1
j = 1
link = "|cffffffff|Hitem:116616::::::::97:64:::2:91:550:::|h[]|h|r"
(*temporary) = nil
(*temporary) = 3
(*temporary) = <function> defined =[C]:-1
(*temporary) = 1
(*temporary) = 1
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = "attempt to perform arithmetic on a nil value"
private = <table> {
 moneyCollected = 0
 ShouldDeleteMail = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:521
 GetBagSlots = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:493
 collectGold = 0
 StartOpenMail = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:763
 allowTimerStart = true
 UpdateTopLabel = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:276
 MailThreadDone = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:744
 PrintOpenMailMessage = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:574
 ShouldOpenMail = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:533
 frame = <unnamed> {
 }
 cacheFrame = <unnamed> {
 }
 GetFirstInboxItemLink = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:770
 CanLootMailIndex = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:385
 InboxUpdate = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:302
 recheckTime = 1
 RequestSellerInfo = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:249
 lastTotal = 57
 OpenMailThread = <function> defined @TradeSkillMaster_Mailing\Modules\Inbox.lua:625
}
L = <table> {
 No Item Specified = "No Item Specified"
 Move Group To Bags = "Move Group To Bags"
 Expires = "Expires"
 Keep Free Bag Space = "Keep Free Bag Space"
 %s sent you %s and %s = "%s sent you %s and %s"
 Send Disenchantable Items to %s = "Send Disenchantable Items to %s"
 %s sent you a COD of %s for %s = "%s sent you a COD of %s for %s"
 If checked, the target's current inventory will be taken into acc