How To Fix AJ859 - Impermissible call ISU_BILL_CANCELLATION for installation group reversal

AJ859 - Overview

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 859

• Message text: Impermissible call ISU_BILL_CANCELLATION for installation group reversal

What causes this issue?

INTERNAL ERROR:
Not all environments support the reversal of a complete installation
group.
In contract change, customer change, advanced billing during move-out
and the reversal of a customer change, you cannot call
ISU_BILL_CANCELLATION when the indicator F_GRP is set.
In this case, the indicators have the following values.
SCVEW = &V1&
SCDEB = &V2&
SCMOVO = &V3&

System Response

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

How to fix this error?

INCLUDE ISU_SAP OBJECT DOKU ID TX

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

AJ859 - Details

• The SAP error message AJ859 indicates that there is an impermissible call to the function module ISU_BILL_CANCELLATION for an installation group reversal. This error typically occurs in the context of billing and invoicing processes within the SAP IS-U (Industry Solution for Utilities) module.
  
  Cause:
  The error can arise due to several reasons, including:
  
  Incorrect Configuration: The installation group may not be configured correctly for billing cancellations.
  Business Logic Restrictions: The system may have business rules that prevent the cancellation of bills for certain types of installations or under specific conditions.
  Data Integrity Issues: There may be inconsistencies or missing data in the billing documents or installation group that prevent the cancellation process from being executed.
  Authorization Issues: The user attempting to perform the cancellation may not have the necessary authorizations to execute the function.
  
  
  Solution:
  To resolve the AJ859 error, consider the following steps:
  
  
  Check Configuration: Review the configuration settings for the installation group and ensure that they allow