How To Fix AJ794 - Bill. order of inst. &1 with sched. bill date &2 does not belong to instG

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 794

• Message text: Bill. order of inst. &1 with sched. bill date &2 does not belong to instG

What causes this issue?

The billing order of installation &v1& with the scheduled meter reading
date &v2 was simulated during the billing of primary installation &v3&.
However, one of the following historical characteristics of installation
&v1& has changed in the billing period of the simulation document.
<DS:DE.INSTROLE>Installation role</>
<DS:DE.MAININST>Primary installation key</>
<DS:DE.INSTGRTYPE>Grouping type</> of the primary installation
These changes are not permitted.

System Response

Primary installation billing is cancelled.

How to fix this error?

You have the following options:
Change the historical characteristics of installation &v1&.
Bill installation &v1& up to the date the changes were made.

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 AJ794 - Bill. order of inst. &1 with sched. bill date &2 does not belong to instG ?

  The SAP error message AJ794 indicates that there is an issue with a billing order related to a specific installation group (instG). The message typically means that the billing order you are trying to process does not belong to the specified installation group, which can occur due to various reasons.
  Cause:
  
  Incorrect Installation Group Assignment: The billing order may have been assigned to a different installation group than the one you are trying to process it under.
  Data Entry Errors: There may have been a mistake in entering the billing order or installation group details.
  Configuration Issues: The system configuration may not be set up correctly to link the billing order with the appropriate installation group.
  Changes in Master Data: Changes in the master data related to the billing order or installation group may have led to inconsistencies.
  
  Solution:
  
  Verify Installation Group: Check the installation group assigned to the billing order and ensure it matches the one you are trying to use.
  Check Billing Order Details: Review the details of the billing order to ensure that all information is correct and complete.
  Review Master Data: Ensure that the master data for both the billing order and installation group is accurate and up to date.
  Consult Configuration Settings: If you have access, review the configuration settings in SAP to ensure that the billing order and installation group are correctly linked.
  Recreate the Billing Order: If the issue persists, consider recreating the billing order with the correct installation group.
  Contact SAP Support: If you are unable to resolve the issue, it may be necessary to contact SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like VF01 (Create Billing Document) or VF02 (Change Billing Document) to review or modify billing orders.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Documentation: Refer to SAP documentation or user manuals for more detailed information on billing processes and installation groups.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.