SAP Message AH749 - Billing document &1 is not invoiced -> adjustment reversal not possible

Diagnosis
Billing document &v1& is currently not invoiced. An adjustment reversalis not appropriate in this case because it is used for reversing a bil
ling document in from a billing perspective without resetting thebilling line items that have been posted in invoicing.

System Response

Procedure
Perform a normal billing reversal if necessary.