It is very simple to update the invoice number/date on an Invoice without requiring Purchase Plus intervention.

Please follow the steps below.

1. From 'Dashboard', go to [Documents] [Invoices]. Type the Invoice number required in the 'Search for Invoices' search field. Click the [Edit] button on the left side of the Invoice number, as below.

2. A new pop-up window will appear. From there, update the date by clicking the required date on the calendar pop up. Once completed, click [Update] and the new Invoice date will be saved automatically.

3. For the invoice number, you just need to enter the correct invoice number in the first field of the Pop-up window. Once completed, click [Update] and the invoice number will be updated.