o meu ta dando esse erro!

local func,check = tostring(t[1]) == "add" and addItemTable or removeItemTable, tostring(t[1]) == "add" and true or false
local item = getItemIdByName(tostring(t[2]), false)
if not item then
doPlayerSendCancel(cid, "This item does not exist.") return true
elseif check == true and isInArray(info.BlockItemsList, item) then
doPlayerSendCancel(cid, "You can not add this item in the list!") return true
elseif isInTable(cid, item) == check then
doPlayerSendCancel(cid, "This Item "..(check == true and "already" or "is not").." in your list.") return true
end
func(cid, item)
doPlayerSendTextMessage(cid, MESSAGE_STATUS_CONSOLE_BLUE,check == true and "you added the item "..t[2].." in the list" or "you removed the item "..t[2].." from the list") return true
end
return true
Description:
(luaGetItemIdByName) Item not found