How To Fix AJ799 - Billing document missing for secondary installation &1

AJ799 - Overview

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 799

• Message text: Billing document missing for secondary installation &1

What causes this issue?

Billing documents from secondary installation &V1& are required for
billing primary installation &V2&. Billing documents must be available
for the complete billing period of the primary installation. However,
there is no suitable billing document in the period &v3& to &v4&.

System Response

The billing procedure for primary installation &v2& is cancelled.

How to fix this error?

Find out why the billing document is not available.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AJ799 - Billing document missing for secondary installation &1 ?

  The SAP error message AJ799, which states "Billing document missing for secondary installation &1," typically occurs in the context of billing and invoicing processes, particularly when dealing with installations in the SAP IS-U (Industry Solution for Utilities) module. This error indicates that there is a secondary installation (like a sub-meter or a related service point) that does not have an associated billing document.
  Causes:
  
  Missing Billing Document: The primary cause is that the system expects a billing document for the secondary installation, but it cannot find one.
  Incorrect Configuration: There may be configuration issues in the billing setup for secondary installations.
  Data Inconsistencies: There could be inconsistencies in the master data related to installations or billing documents.
  Incomplete Billing Process: The billing process for the secondary installation may not have been completed or executed properly.
  Timing Issues: The billing document may not have been created yet due to timing issues in the billing cycle.
  
  Solutions:
  
  Check Billing Document