function events:LOOT_OPENED(...)
    if addonEnabled() then
        local loot = {} -- create a temporary table to organize the loot on the mob
        for i=1,GetNumLootItems() do -- loop through all items in the window
            local sourceInfo = {GetLootSourceInfo(i)}
            for j=1,#sourceInfo/2 do
                local mobID = sourceInfo[j*2-1] -- retrieve GUID of the mob that holds the item
                for k=1,#hasBeenLooted do
                    if hasBeenLooted[i] == mobID then
                        mobID = nil
                        break
                    end
                end
                if mobID then
                    if debugOn then
                        DevTools_Dump(loot)
                        DevTools_Dump(#loot)
                    end
                    local id
                    for k=1,#loot do
                        if loot[i][1] == mobID then -- line 1388
                            id = i
                            break
                        end
                    end
                    if not id then
                        table.insert(loot, {mobID}) -- create an entry in table for the mobID
                        id = #loot
                    end

                    local link = GetLootSlotLink(i) -- retrieve link of item
                    if link and checkFilters(link) then
                        for l=1,sourceInfo[j*2] do -- repeat the insert if there is multiple of the item in that slot
                            table.insert(loot[id], link)
                        end
                    end
                end
            end
        end

        for i=1,#loot do
            FARaidTools:sendMessage("FA_RTreport", {addonVersion, loot[i]}, "RAID", nil, "BULK") -- send addon message to tell others to add this to their window

            local data = loot[i]
            local mobID = table.remove(data, 1)

            for j=1, #data do
                if checkFilters(data[j]) then
                    FARaidTools:cacheItem(data[j])
                end
            end

            table.insert(hasBeenLooted, mobID)
        end
    end
end

-- Example DevTools_Dump() output
[10:59:18 PM] [1]={
[10:59:18 PM]   [1]="0xF150F604000088E0",
[10:59:18 PM]   [2]="|cffa335ee|Hitem:86203:0:0:0:0:0:0:12:1295524864:90:0:445|h[Articulated Legplates]|h|r"
[10:59:18 PM] } -- DevTools_Dump(loot)
[10:59:18 PM] 1 -- DevTools_Dump(#loot)
-- Error
Message: Interface\AddOns\FARaidTools\main.lua:1388: attempt to index field '?' (a nil value)
Time: 01/23/13 00:02:21
Count: 2
Stack: [string "*:OnLoad"]:6: in function <[string "*:OnLoad"]:1>
Interface\AddOns\Auctionator\AtrErrorInspector.lua:106: in function <Interface\AddOns\Auctionator\AtrErrorInspector.lua:51>
[C]: ?
Interface\AddOns\FARaidTools\main.lua:1388: in function `?'
Interface\AddOns\FARaidTools\main.lua:1450: in function <Interface\AddOns\FARaidTools\main.lua:1449>

Locals: msg = nil
self = <unnamed> {
 0 = <userdata>
 origErrorHandler = <function> defined Interface\FrameXML\BasicControls.xml:<Scripts>:4
 errorHandler = <function> defined @Interface\AddOns\TradeSkillMaster\Util\ErrorHandler.lua:215
 handler = <function> defined *:OnLoad:1
}