Ok I help you.
Change your script with this one:
local commonItems = {
-- ITEMS ALL VOC RECEIVE
{itemid=2457, count=1}, -- steel helmet
{itemid=2463, count=1}, -- plate armor
{itemid=2647, count=1}, -- plate legs
{itemid=2152, count=5}, -- 50 platinum coins
{itemid=2120, count=1}, --...