Console error trying to clone script "esx_supermarket" without blips and marker

FiveM Server Development ES/ESX
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esx_tiendaemspoliciaybanda

client.lua

RegisterNUICallback('purchase', function(data, cb)
	TriggerServerEvent('esx_shops:buyItem', data.item, data.count, data.loc)
	cb('ok')
end)

server.lua

RegisterServerEvent('esx_shops:buyItem')
AddEventHandler('esx_shops:buyItem', function(itemName, amount, zone)
	local _source = source
	local xPlayer = ESX.GetPlayerFromId(_source)
	local sourceItem = xPlayer.getInventoryItem(itemName)

	amount = ESX.Round(amount)

	-- is the player trying to exploit?
	if amount < 0 then
		print('esx_shops: ' .. xPlayer.identifier .. ' attempted to exploit the shop!')
		return
	end

	-- get price
	local price = 0
	local itemLabel = ''

	for i=1, #ShopItems[zone], 1 do
		if ShopItems[zone][i].item == itemName then
			price = ShopItems[zone][i].price
			itemLabel = ShopItems[zone][i].label
			break
		end
	end

	price = price * amount

	-- can the player afford this item?
	if xPlayer.getMoney() >= price then
		-- can the player carry the said amount of x item?
		if sourceItem.limit ~= -1 and (sourceItem.count + amount) > sourceItem.limit then
			TriggerClientEvent('esx:showNotification', _source, _U('player_cannot_hold'))
		else
			xPlayer.removeMoney(price)
			xPlayer.addInventoryItem(itemName, amount)
			TriggerClientEvent('esx:showNotification', _source, _U('bought', amount, itemLabel, price))
		end
	else
		local missingMoney = price - xPlayer.getMoney()
		TriggerClientEvent('esx:showNotification', _source, _U('not_enough', missingMoney))
	end
end)

esx_supermarket

client.lua

RegisterNUICallback('purchase', function(data, cb)
	TriggerServerEvent('esx_shops:buyItem', data.item, data.count, data.loc)
	cb('ok')
end)

server.lua

RegisterServerEvent('esx_shops:buyItem')
AddEventHandler('esx_shops:buyItem', function(itemName, amount, zone)
	local _source = source
	local xPlayer = ESX.GetPlayerFromId(_source)
	local sourceItem = xPlayer.getInventoryItem(itemName)

	amount = ESX.Round(amount)

	-- is the player trying to exploit?
	if amount < 0 then
		print('esx_shops: ' .. xPlayer.identifier .. ' attempted to exploit the shop!')
		return
	end

	-- get price
	local price = 0
	local itemLabel = ''

	for i=1, #ShopItems[zone], 1 do
		if ShopItems[zone][i].item == itemName then
			price = ShopItems[zone][i].price
			itemLabel = ShopItems[zone][i].label
			break
		end
	end

	price = price * amount

	-- can the player afford this item?
	if xPlayer.getMoney() >= price then
		-- can the player carry the said amount of x item?
		if sourceItem.limit ~= -1 and (sourceItem.count + amount) > sourceItem.limit then
			TriggerClientEvent('esx:showNotification', _source, _U('player_cannot_hold'))
		else
			xPlayer.removeMoney(price)
			xPlayer.addInventoryItem(itemName, amount)
			TriggerClientEvent('esx:showNotification', _source, _U('bought', amount, itemLabel, price))
		end
	else
		local missingMoney = price - xPlayer.getMoney()
		TriggerClientEvent('esx:showNotification', _source, _U('not_enough', missingMoney))
	end
end)

The esx_tiendaemspoliciaybanda script is a clone of the “supermarket” but it does not show markers or blips, to create stores that other people cannot see.

the issue is that it is working correctly but when they buy an item in any of the stores that error appears in the console,

I would like to know how you can help me or a clue.

I hope you help me

PD: line 82 is this.

for i=1, #ShopItems[zone], 1 do


	for i=1, #ShopItems[zone], 1 do
		if ShopItems[zone][i].item == itemName then
			price = ShopItems[zone][i].price
			itemLabel = ShopItems[zone][i].label
			break
		end
	end
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