fast need help :/

[Il Knight]

function onUse(cid, item, fromPosition, itemEx, toPosition)

if not isMonster(itemEx) then
return true
end

if (math.random(1,100) <= 50) then

local c = Monster(itemEx)

local id = db.getResult("SELECT `id` FROM `customc` WHERE `mid` =(" .. c:getId(itemEx) .. ");")

local item = Game.createItem(2264)

item:setAttribute(ITEM_ATTRIBUTE_ACTIONID, id)

else
doRemoveItem(item.uid, 1)

end
return true
end

the ID on the database its numbers like 293287

ERROR atemt to index local 'id' a (number value)

how i can solve this?
thanks in advance

 

[Il Knight]

i need to do something like this
21:48 You see a crystal.
Item ID: 2264, Action ID: 456322 < (the id of the database)
Position: 1009, 1010, 7