local function hookSpell(tip)
	tip:HookScript('OnTooltipSetSpell', function(self, ...)
		if self:GetSpell() ~= nil then
		local name, rank, icon = GetSpellInfo(self:GetSpell())
		AddIcon(self, icon)
		end
	end)
end

1x Tipachu-7\Tipachu.lua:38: GetSpellInfo(): Invalid spell slot
Tipachu-7\Tipachu.lua:38: in function <Tipachu\Tipachu.lua:37>
<in C code>: ?
<in C code>: in function `AddSpellByID'
Interface\FrameXML\PaperDollFrame.lua:1833: in function <Interface\FrameXML\PaperDollFrame.lua:1813>:

Locals:
self = GameTooltip {
 0 = <userdata>
 SetExistingSocketGem = <function> defined =[C]:-1
 SetHyperlink = <function> defined =[C]:-1
 SetTradeSkillItem = <function> defined =[C]:-1
 hasMoney = 1
 comparing = false
 SetSocketGem = <function> defined =[C]:-1
 SetUnitDebuff = <function> defined =[C]:-1
 SetLootItem = <function> defined =[C]:-1
 SetQuestItem = <function> defined =[C]:-1
 SetReforgeItem = <function> defined =[C]:-1
 SetTrainerService = <function> defined =[C]:-1
 numMoneyFrames = 1
 SetInboxItem = <function> defined =[C]:-1
 SetBuybackItem = <function> defined =[C]:-1
 shoppingTooltips = <table> {}
 SetHyperlinkCompareItem = <function> defined =[C]:-1
 SetMerchantItem = <function> defined =[C]:-1
 SetMerchantCostItem = <function> defined =[C]:-1
 SetBackpackToken = <function> defined =[C]:-1
 SetUnitBuff = <function> defined =[C]:-1
 SetTradePlayerItem = <function> defined =[C]:-1
 SetSendMailItem = <function> defined =[C]:-1
 updateTooltip = 0.026999990269542
 SetInventoryItem = <function> defined =[C]:-1
 SetLootRollItem = <function> defined =[C]:-1
 SetUnitAura = <function> defined =[C]:-1
 SetAuctionSellItem = <function> defined =[C]:-1
 SetBagItem = <function> defined =[C]:-1
 SetCurrencyToken = <function> defined =[C]:-1
 SetQuestLogItem = <function> defined =[C]:-1
 SetGuildBankItem = <function> defined =[C]:-1
 SetTradeTargetItem = <function> defined =[C]:-1
 SetAuctionItem = <function> defined =[C]:-1
}
AddIcon = <function> @ Tipachu\Tipachu.lua:8:

  ---