How To Fix /SAPAPO/BLRG046 - Rows that you changed are being overwritten

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/BLRG -

• Message number: 046

• Message text: Rows that you changed are being overwritten

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/BLRG046 - Rows that you changed are being overwritten ?

  The SAP error message /SAPAPO/BLRG046 indicates that there are changes made to certain rows in a planning table that are being overwritten by other changes. This typically occurs in the context of SAP Advanced Planning and Optimization (APO) when multiple users or processes are trying to modify the same data simultaneously.
  Cause:
  
  Concurrent Modifications: Multiple users or processes are trying to change the same data in the planning table at the same time.
  Data Locking: The system may not be able to lock the data properly, leading to conflicts when saving changes.
  Background Jobs: Background jobs or processes that update the same data can also lead to this error if they run concurrently with user actions.
  Incorrect Data Handling: If the data is not handled correctly in the user interface or through custom code, it can lead to overwriting issues.
  
  Solution:
  
  Refresh the Data: Before making changes, refresh the planning table to ensure you are working with the most current data.
  Avoid Concurrent Changes: Coordinate with other users to avoid making changes to the same data simultaneously. Implement a process to manage who is editing what.
  Check for Background Jobs: Review any background jobs that may be running and updating the same data. If possible, schedule these jobs during off-peak hours.
  Use Locking Mechanisms: Implement proper locking mechanisms in custom code or user exits to prevent concurrent modifications.
  Error Handling: Implement error handling in your custom code to catch this error and provide a user-friendly message or prompt to retry the operation.
  Consult SAP Notes: Check for any relevant SAP Notes that may address this issue or provide patches or updates to resolve it.
  
  Related Information:
  
  SAP Documentation: Review the official SAP documentation for APO and the specific transaction or planning book you are using.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  System Logs: Check system logs for any additional error messages or warnings that may provide more context about the issue.
  User Training: Ensure that users are trained on how to properly use the planning tools and understand the implications of concurrent modifications.
  
  By following these steps, you should be able to address the /SAPAPO/BLRG046 error and minimize the chances of it occurring in the future.