Lua Yakchal tomb

[WSouls]

nothing happens and i dont get any errors

local monsters = {
		[1] = {"ice golem", "crystal spider", "frost dragon"},
		[2] = {"ice golem", "ice witch", "frost dragon"},
		[3] = {"ice golem", "ice witch", "crystal spider"}
	}
local timer = 1000 --1sec
 
function onUse(cid, item, fromPosition, itemEx, toPosition)
	if(itemEx.itemid == 7361) then 
		if(getGlobalStorageValue(itemEx.uid) == -1) then
			if(math.random(1, 5) == 1) then
				doCreatureSay(cid, "The frozen starlight shattered, but you have awoken the icewitch Yakchal from her slumber! She seems not amused ...", TALKTYPE_ORANGE_1)
        		doPlayerRemoveItem(item.uid, 1)
			else
        		doCreatureSay(cid, "You have awoken the ice witch Yakchal from her slumber! She seems not amused ...", TALKTYPE_ORANGE_1)
			end
    		setGlobalStorageValue(itemEx.uid, 1)
    		addEvent(setGlobalStorageValue, 60 * 60 * 1000, itemEx.uid, -1) --1hr
			addEvent(doSummonCreature, 2 * 60 * 1000, "yakchal", fromPosition) --2mins
			for i = 1, 3 do
				--first wave spawns after 1 sec
				--2nd wave spawns after 31sec
				--3rd wave spawns after 61 sec
				for i2 = 1, 3 do
					addEvent(doSummonCreature, timer, monsters[i][i2], fromPosition)
					addEvent(doSendMagicEffect, timer, fromPosition, CONST_ME_TELEPORT)
				end
				timer = timer + 30000
			end
		else
			doPlayerSendCancel(cid,"You can not use this object.")
		end
	end
	return true
end

 

[WSouls]

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