How To Fix /ISDFPS/MCHG_WD024 - &1 &2 is already locked by &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/MCHG_WD -

• Message number: 024

• Message text: &1 &2 is already locked by &3

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 /ISDFPS/MCHG_WD024 - &1 &2 is already locked by &3 ?

  The SAP error message /ISDFPS/MCHG_WD024 &1 &2 is already locked by &3 typically indicates that a particular object (such as a document, record, or data entry) is currently locked by another user or process. This locking mechanism is a part of SAP's concurrency control to prevent data inconsistencies when multiple users attempt to modify the same data simultaneously.
  Cause:
  
  Concurrent Access: Another user or process is currently editing or has locked the object you are trying to access.
  Long-running Transactions: A transaction that takes a long time to complete may hold locks longer than expected.
  System Errors: Sometimes, system errors or crashes can leave locks in place that are not released properly.
  Background Jobs: A background job may be processing the same data, causing it to be locked.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for the other user or process to complete their transaction may resolve the issue.
  Identify the Lock: Use transaction codes like SM12 (Display and Delete Locks) to identify which user or process is holding the lock. You can then communicate with that user to resolve the issue.
  Release the Lock: If you have the necessary authorizations, you can manually delete the lock entry in SM12. However, be cautious with this approach, as it may lead to data inconsistencies if the other user is still working on the data.
  Check Background Jobs: Use transaction SM37 to check if any background jobs are running that might be locking the object.
  Review System Performance: If locks are a frequent issue, it may be worth reviewing system performance and transaction design to minimize locking conflicts.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. Locks can be exclusive (only one user can access) or shared (multiple users can read but not write).
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SM12: To view and manage locks.
  SM21: To check system logs for errors.
  SM37: To monitor background jobs.
  
  
  User Communication: If you identify the user holding the lock, communicate with them to understand their actions and coordinate access to the locked object.
  
  If the issue persists or if you are unsure about taking actions like deleting locks, it may be advisable to consult with your SAP Basis team or system administrator for further assistance.