How To Fix AH764 - Doc. &4 has doc. number that refers to new billing despite billing order

AH764 - Overview

• Message type: E = Error

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

• Message number: 764

• Message text: Doc. &4 has doc. number that refers to new billing despite billing order

What causes this issue?

Billing document &v4& is marked as "reversed for adjustment" in the
billing order for installation &v1& with scheduled billing date &v2&.
This implies that document &v4& cannot have the document number of a
new billing.
However, such a billing document (&v3&) is entered in the
<LS>SC_BELNR_N</> field in the document. This indicates an
inconsistency.

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 AH764 - Doc. &4 has doc. number that refers to new billing despite billing order ?

  The SAP error message AH764 indicates that there is an issue with the document number in the billing process. Specifically, it suggests that the document number refers to a new billing document, even though there is an existing billing order that should be referenced instead. This can occur in scenarios where billing documents are being processed, and there is a mismatch or inconsistency in the document references.
  
  Cause:
  
  Document Reference Mismatch: The document number being processed does not match the expected billing order or is incorrectly linked to a new billing document.
  Incomplete Billing Process: The billing order may not have been fully processed or completed, leading to confusion in the document references.
  
  Configuration Issues: There may be configuration settings in the SAP system that are not aligned with the billing process, causing the system to generate new document numbers incorrectly.
  User Error: Manual entry errors or incorrect selections during the billing process can lead