How To Fix CNV_10020259 - DTFLD records (for table &1) are currently being edited by user &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 259

• Message text: DTFLD records (for table &1) are currently being edited by user &3

Self-Explanatory Message

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• What is the cause and solution for SAP error message CNV_10020259 - DTFLD records (for table &1) are currently being edited by user &3 ?

  The SAP error message CNV_10020259 indicates that there are DTFLD (Data Field) records for a specific table that are currently being edited by another user. This typically occurs in the context of data migration or conversion processes, particularly when using SAP's Data Migration tools or during system upgrades.
  Cause:
  
  Concurrent Access: The error arises when multiple users or processes attempt to edit the same DTFLD records simultaneously. This can happen in environments where multiple users are working on data migration tasks at the same time.
  Locking Mechanism: SAP employs a locking mechanism to prevent data inconsistencies. If one user is editing a record, other users will be unable to access it until the lock is released.
  
  Solution:
  
  Identify the User: Check which user is currently editing the records. You can use transaction codes like SM12 (to view lock entries) to identify the user and the specific records they are working on.
  Wait for Release: If the user is actively working on the records, you may need to wait until they finish their task and release the lock.
  Communicate with the User: If possible, communicate with the user who is editing the records to coordinate efforts and avoid conflicts.
  Terminate the Session: If the user is no longer active or if the session is stuck, you may need to terminate their session using transaction code SM04 or SM12. However, this should be done with caution and typically requires appropriate authorization.
  Check for Background Jobs: Sometimes, background jobs may also hold locks on records. Check for any running jobs that might be causing the lock.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view and manage locks), SM04 (to view active user sessions), and ST22 (to check for dumps).
  Documentation: Review SAP documentation related to data migration and locking mechanisms to understand how to manage concurrent access effectively.
  Best Practices: Implement best practices for data migration, such as scheduling tasks during off-peak hours or coordinating with team members to avoid simultaneous edits.
  
  By following these steps, you should be able to resolve the CNV_10020259 error and continue with your data migration or conversion tasks.