You are trying to enable the Intelligence Invoice PDF Conversion in SAP Business Network, however is facing an error, like this:

- The error message states: "PDF invoices cannot be enabled. To use PDF invoices feature, you need to have an existing production account."

SAP Business Network

This issue arises when a buyer attempts to enable the Intelligence Invoice Conversion feature on the SAP Business Network.

Here are the steps:

1. Open the User Menu, by clicking at Your Initials at the top right corner.
2. Click Settings.
3. Select Electronic Invoice Routing.
4. Click at PDF Invoicing sub tab.
5. The following message will appear, click at the link "here": The new intelligent invoice conversion service for processing PDF and scanned paper invoices is now available. Try the self-service onboarding for this solution by clicking here.
6. At the pop-up screen, select Intelligent invoice conversion with self-service onboarding.
   
7. Click Confirm.

There are some pre-requisites to be considered before enabling the feature:

- The Intelligent Invoice Conversion service is currently only available to supplier Enterprise accounts.
- Suppliers need to establish a trading relationship with their buyers on the SAP Business Network in order to send invoices using this solution.
- Suppliers must have a Test account associated with their Production account.
- Suppliers need to complete the onboarding process in their Test account to set up the invoice conversion template and subsequently publish it to their Production account.

To resolve this issue, suppliers must ensure they meet all prerequisites for enabling the Intelligent Invoice Conversion feature.
This includes having an existing production account, establishing a trading relationship with buyers on the SAP Business Network, having a Test account associated with their Production account, and completing the onboarding process in their Test account to set up the invoice conversion template.

- SAP Help - New PDF Invoice - Intelligent Invoice Conversion

SAP Business Network for Procurement & Supply Chain > Transaction Documents > Transaction (PDF Invoicing)
Transaction Documents > Transaction (PDF Invoicing) > PDF Invoicing Error