Unable to create a credit memo AR invoice from Order management

Summary:

Hello,
Can you please advise how to create an AR credit memo invoice using auto invoice from order management.
After disabling the processing constraint for payment terme at fulfillement line, the order orchestration failed.
The error message : Data validation failed for the task layer service Create Billing Lines because required data values were not provided. The payment term in the fulfillment line is null. Source Order Information: 20110-1-1

Regards,
Salim

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