Can't restore new site with data of old site

[NCP]

maybe it helps you.

Ver 11 Update: Field cannot be set as unique in tabItem, as there are non-unique existing values

Okay I learnt a lot of things as I solved this problem: At the MariaDB level there are two fields. One called name (no, not item_name, just name) and another called item_code. I’m not sure about this but I guess the rename and the merge functions use the item_code to merge items, whereas the name remains what it was. I figured out what are the items that have duplicate item codes by going to the frappe-bench folder and running bench mariadb (of course you need to worry about the site if yo…