SAP Message /NFM/CA544 - Invoice block set in provision master record for vendor &

Diagnosis
An invoice block is set in the provision master for vendor &V1&.

System Response
No invoice with provision can be created for this vendor. It is howeverpossible to create a purchase order.

Procedure
Invoice NF metal &V2& with a different rate determination key withoutprovision or remove the invoice block in the provision master beforethe invoice is created.