How To Fix AH746 - Adjustment reversal not possible for manual billing &1

AH746 - Overview

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 746

• Message text: Adjustment reversal not possible for manual billing &1

What causes this issue?

Manual billing cannot be reversed for adjustment.

System Response

How to fix this error?

If the manual billing has already been included in a print document,
you must execute an invoicing reversal of the print document before you
can execute a billing reversal.
If the invoicing document cannot or should not be reversed for other
reasons, you can correct the manual document by entering a new manual
billing.
If the manual billing document was not yet invoiced, you can delete it
in manual billing.

Error message extract from SAP system. Copyright SAP SE.

AH746 - Details

• The SAP error message AH746, "Adjustment reversal not possible for manual billing &1," typically occurs in the context of billing adjustments and reversals in SAP. This error indicates that the system is unable to reverse a manual billing document due to certain conditions not being met.
  Causes:
  
  Billing Document Status: The billing document may be in a status that does not allow for reversal. For example, if the document has already been settled or cleared, it may not be eligible for reversal.
  Document Type Restrictions: Certain billing document types may have restrictions on reversals. Manual billing documents might have specific rules that prevent them from being reversed.
  Accounting Entries: If accounting entries have already been posted for the billing document, the system may prevent reversal to maintain data integrity.
  Configuration Settings: The configuration settings in the SAP system may restrict the reversal of certain types of billing documents.
  
  Solutions:
  
  Check Document Status: Verify the status of the