If there is two same invoices in Accounting, user need to "reject" one invoice. The steps are as follows:
- Please go to menu Accounting> Transactions> My Location's Transaction> please click Active button.
- Find an invoice that you want to "reject". If the invoice has been "approve", users are required to "unapprove" invoice in advance.
- After "unapprove" invoices, users can click the "reject" button at the top right of the page.