How To Fix LTR2_DS_CHG_MWBGEN025 - Receiver table &1 was changed by &4

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_DS_CHG_MWBGEN - Change log messages of data set Migration

• Message number: 025

• Message text: Receiver table &1 was changed by &4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_DS_CHG_MWBGEN025 - Receiver table &1 was changed by &4 ?

  The SAP error message LTR2_DS_CHG_MWBGEN025 indicates that a receiver table (denoted as &1 in the message) has been changed by another user or process (denoted as &4). This typically occurs in the context of data transfer processes, especially when working with Data Services or similar ETL (Extract, Transform, Load) tools within SAP.
  Cause:
  
  Concurrent Changes: The most common cause of this error is that the receiver table is being modified by another user or process while your process is trying to access it. This can happen in environments where multiple users or processes are working on the same data simultaneously.
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If a table is locked for writing by one process, other processes trying to write to it will encounter this error.
  Data Model Changes: Changes to the structure of the receiver table (like adding or removing columns) can also trigger this error if they occur while a data transfer is in progress.
  
  Solution:
  
  Check for Concurrent Processes: Investigate if another user or process is currently modifying the receiver table. You may need to coordinate with other users to ensure that no conflicting changes are being made.
  Retry the Operation: If the error is due to a temporary lock, simply retrying the operation after a short wait may resolve the issue.
  Review Change Logs: Check the change logs or audit trails to see what changes were made to the receiver table and by whom. This can help identify if the changes were intentional or accidental.
  Modify Data Transfer Logic: If the error occurs frequently, consider modifying the data transfer logic to handle such conflicts more gracefully, such as implementing retry mechanisms or using a staging area for data before it is written to the final table.
  Consult Documentation: Review SAP documentation or support notes related to this error message for any specific recommendations or patches that may address the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Use transaction codes like SM12 to check for locks on the receiver table and SM21 to view system logs for any related errors.
  Data Services Documentation: If you are using SAP Data Services, refer to the official documentation for best practices on managing data flows and handling errors.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.