Chest with skill...

[adamox223]

Hello i wrote code, it work but when we use chest that give % skills, i dont know why, i need to get from chest always +1 skill, can you help me?

@edit
ok i fix it xd

function onUse(cid, item, frompos, item2, topos)




    if item.itemid == 1740 then
          queststatus = getPlayerStorageValue(cid, 3939)

          if queststatus == -1 then
                     setPlayerStorageValue(cid, 3939, 1)
            doPlayerAddItem(cid, 2160, 1)
            doSendAnimatedText(getPlayerPosition(cid),"SKILL!", TEXTCOLOR_GREEN)
            doPlayerAddSkill(cid, SKILL_SHIELD, 1)
        else
                doPlayerSendTextMessage(cid, 22, "it is empty.")
        end
     end

       return 1

end