How To Fix B1146 - Do not modify the change pointer target manually

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 146

• Message text: Do not modify the change pointer target manually

What causes this issue?

You are trying to alter the change pointer target of message type &V1&.
The change pointer target should not normally be altered manually, as
this could result in data inconsistencies.
The change pointer target is usually converted with the migration
report RBDCPMIG.

System Response

You have been warned about making this change.

How to fix this error?

Read OSS note 305462 / 2000 to find out more about migrating change
pointers.
If you are sure that the change pointer target can be set manually,
without causing data inconsistencies, continue the action. It could be
useful in the context of a failed migratrion or if the dataset is
empty.

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 B1146 - Do not modify the change pointer target manually ?

  The SAP error message B1146, which states "Do not modify the change pointer target manually," typically occurs in the context of change pointers and the change document management system in SAP. This error is related to the integrity of the change pointers, which are used to track changes to data in the system for various purposes, including data replication and integration.
  Cause:
  The error is triggered when there is an attempt to manually modify the target of a change pointer. Change pointers are designed to be managed by the system, and any manual intervention can lead to inconsistencies or corruption in the change tracking mechanism. This can happen in scenarios such as:
  
  Attempting to directly update or delete entries in the change pointer tables.
  Using custom programs or transactions that manipulate change pointers without following the proper SAP guidelines.
  
  Solution:
  To resolve this error, you should avoid any manual modifications to the change pointer targets. Instead, follow these best practices:
  
  
  Use Standard SAP Transactions: Always use standard SAP transactions and programs to manage change pointers. This ensures that the system maintains the integrity of the data.
  
  
  Check Custom Code: If you have custom programs or enhancements that interact with change pointers, review the code to ensure it adheres to SAP's guidelines. Avoid direct database updates on change pointer tables.
  
  
  Reprocess Change Pointers: If you need to reprocess change pointers, use the appropriate transaction codes (like BD21 for reprocessing change pointers) instead of manual modifications.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to change pointers and change document management for further guidance on best practices.
  
  
  System Support: If the issue persists or if you are unsure about the changes being made, consider reaching out to your SAP support team or consulting SAP Notes for specific guidance related to your version and configuration.
  
  
  Related Information:
  
  Change Pointers: Change pointers are a mechanism in SAP that allows the system to track changes to specific data objects. They are often used in scenarios involving data replication, such as ALE (Application Link Enabling) and IDocs (Intermediate Documents).
  Transaction Codes: Familiarize yourself with relevant transaction codes such as BD21 (Reprocess Change Pointers), BDCP2 (Display Change Pointers), and others that are used to manage change pointers.
  SAP Notes: Check for any SAP Notes that may address specific issues or enhancements related to change pointers and the B1146 error message.
  
  By adhering to these guidelines, you can avoid the B1146 error and ensure that your change pointer management remains consistent and reliable.