(Resolvido)Por que não remove a assassin star do inventario

local combat = createCombatObject()
setCombatParam(combat, COMBAT_PARAM_TYPE, COMBAT_PHYSICALDAMAGE)
setCombatParam(combat, COMBAT_PARAM_BLOCKARMOR, true)
setCombatParam(combat, COMBAT_PARAM_DISTANCEEFFECT, CONST_ANI_REDSTAR)
function onGetFormulaValues(cid, level, skill)
	return -(((skill + 25) / 3) + (level / 5)), -((skill + 25) + (level / 5)), 0
end
setCombatCallback(combat, CALLBACK_PARAM_SKILLVALUE, "onGetFormulaValues")
function onCastSpell(cid, var)
	local item = 7368
	if not doPlayerRemoveItem(cid, item, 1) then
		doPlayerSendDefaultCancel(cid, RETURNVALUE_NOTPOSSIBLE)
		doSendMagicEffect(getPlayerPosition(cid), CONST_ME_POFF)
		return false
	end
	doCombat(cid, combat, var)
	return true
end