problem with item

Hi , I use a 5.4.7 Core and have a small problem in it . here is the problem : for example when I try to create a item with entry 102266 need to create a item and it is appear in chat log but there is no item in the bag. please help me to solve it .

and also there is some items when I click it must upgrade my old item from 496 to 535. this is same for timeless isle items

I want to pay 500$ who help me to solve this problem , please help

— Canned message start —
This help request is in no way related to the official codebase of TrinityCore and/or TrinityDatabase and does not belong on these boards.
— Canned message end