Can you tell the procedure on how they can update? Because as far as I know, you need to create text back-up and restore it in new version in order to update. Currently, they cannot make text back-up because of the error.
same v. 2025-02-24. New DB. Just forward balances (purchase, sales invoices) from 2024 and later. In your case does turnover per period differs or just fwd. balance differs and turnover is identical i...