Lua I got a problem with my db.query and db.executeQuery

[RaikND]

Hello, i try fix my shop and other bugs. but i see got a problem to identify db.query and db.executeQuery with majority .lua in my globalevents folder, for exemple i try to buy a donator item in my website, so the frist progress is all ok, but the server dont change the processed 0 to 1 and give this error :

[Error - GlobalEvent Interface]
data/globalevents/scripts/shop.lua:onThink
Description:
data/globalevents/scripts/shop.lua:21: attempt to call field 'executeQuery' (a nil value)
stack traceback:
        data/globalevents/scripts/shop.lua:21: in function <data/globalevents/scripts/shop.lua:1>
[Error - GlobalEvents::think] Couldn't execute event: shop

In start.lua and record.lua too, because dont identify db.query and db.executeQuery can help me plx?
Version 8.60 tfs 0.3.6

 

[RaikND]

Any idea? plxx help