How To Fix AJ860 - Programming error lock parameters: Call ISU_BILL_CANCELLATION

AJ860 - Overview

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 860

• Message text: Programming error lock parameters: Call ISU_BILL_CANCELLATION

What causes this issue?

INTERNAL ERROR:
The parameters X_ENQ_BELNR and X_DEQ_BELNR in function module
ISU_BILL_CANCELLATION can only be maintained in certain call
environments. However, both parameters must be maintained.
At the moment, the parameters contain the following values:
Document to be reversed: &V1&
X_ENQ_BELNR = &V2&
X_DEQ_BELNR = &V3&
The parameters are meant for reversing installation groups, and should
only be used by the SAP standard.

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.

AJ860 - Details

• The SAP error message AJ860, which indicates a "Programming error lock parameters: Call ISU_BILL_CANCELLATION," typically arises in the context of billing and invoicing processes within the SAP IS-U (Utilities) module. This error suggests that there is an issue with the parameters being passed to the function module ISU_BILL_CANCELLATION, which is responsible for handling billing cancellations.
  Causes:
  
  Incorrect Parameters: The parameters being passed to the ISU_BILL_CANCELLATION function module may not be valid or may not meet the expected criteria.
  Data Inconsistencies: There may be inconsistencies in the billing data, such as missing or incorrect entries in the billing document or related master data.
  Custom Code Issues: If there are custom enhancements or modifications in the billing process, they may interfere with the standard functionality, leading to this error.
  Locking Issues: The error may also occur if there are issues with database locks, where the system is unable to access the required data due to concurrent processing.
  
  Solutions:
  
  Check