How To Fix AH788 - Billing document &1: adjustment reversal indicator is inconsistent

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 788

• Message text: Billing document &1: adjustment reversal indicator is inconsistent

What causes this issue?

In the billing order for installation &v2& (scheduled billing date &v3&
and billing transaction &v4&), billing document &v1& is marked as
having been reversed for adjustment in the <LS>Doc.no. in adj. rev.</>
field.
SPCANC = "X" has been specified in the ERCHC table for billing document
&v1&, but the OPBEL field is blank.
This represents an inconsistency because a billing document reversed
for adjustment must always be included in an invoicing.

System Response

How to fix this error?

INCLUDE ISU_SAP OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH788 - Billing document &1: adjustment reversal indicator is inconsistent ?

  The SAP error message AH788 indicates that there is an inconsistency with the adjustment reversal indicator in a billing document. This typically occurs when there is a mismatch in the billing document's settings or data, particularly related to adjustments or reversals.
  Cause:
  
  Inconsistent Data: The adjustment reversal indicator in the billing document does not match the expected values based on the document's status or the related financial transactions.
  Configuration Issues: There may be configuration settings in the billing or financial modules that are not aligned with the business processes.
  Manual Changes: If manual changes were made to the billing document or related transactions, it could lead to inconsistencies.
  Document Flow Issues: If there are issues in the document flow (e.g., related sales orders, deliveries, or invoices), it can cause this error.
  
  Solution:
  
  Check Document Status: Review the status of the billing document and ensure that the adjustment reversal indicator is set correctly based on the document's current state.
  Review Configuration: Verify the configuration settings in the SAP system related to billing and adjustments. Ensure that they are set up according to business requirements.
  Analyze Related Documents: Check the related documents (sales orders, deliveries, etc.) to ensure that they are consistent and correctly linked to the billing document.
  Correct Manual Changes: If any manual changes were made, revert them or correct the data to ensure consistency.
  Use Transaction Codes: Utilize transaction codes like VF02 (Change Billing Document) to review and adjust the billing document as necessary.
  Consult SAP Notes: Look for any relevant SAP Notes that may address this specific error or provide guidance on resolving it.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as VF01 (Create Billing Document), VF02 (Change Billing Document), and VF03 (Display Billing Document).
  SAP Documentation: Refer to SAP Help documentation for detailed information on billing document processing and adjustment reversal indicators.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify the cause of the AH788 error and implement a solution to resolve it.