In order to amend the invoice, you will need to mark the invoice as manual.
- Go to Settings > Maintenance
- Select the option EDI Purchase Invoice from electronic to manual
- Enter the purchase invoice number and Search
- Click the button Change EDI Purchase Invoice to Manual
This will then allow you to amend the outstanding purchase invoice.
***If you wish to delete a posted invoice, select the option Purchase Invoice - delete and NOT PUT lines back to outstanding.***