How To Fix /IWFND/CM_DM023 - Object '&1' already locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_DM -

• Message number: 023

• Message text: Object '&1' already locked

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 /IWFND/CM_DM023 - Object '&1' already locked ?

  The SAP error message /IWFND/CM_DM023 Object '&1' already locked typically occurs in the context of the SAP Gateway or OData services when there is an attempt to modify or delete an object that is currently locked by another user or process. This locking mechanism is in place to prevent data inconsistencies and ensure that multiple users do not make conflicting changes to the same object 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 a lock on the object longer than expected.
  System Errors: Sometimes, system errors or crashes can leave objects in a locked state.
  Development or Testing: In a development or testing environment, multiple developers may be trying to access the same object.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify the Lock: Use transaction codes like SM12 (for lock entries) to identify which user or process is holding the lock on the object. You can then communicate with that user to resolve the conflict.
  Release the Lock: If you have the necessary authorizations, you can manually delete the lock entry in SM12. However, this should be done with caution, as it may lead to data inconsistencies.
  Check for Long-Running Transactions: Investigate if there are any long-running transactions that might be holding the lock and address them accordingly.
  Review Code: If this error occurs frequently during development, review the code to ensure that locks are being managed properly and released when no longer needed.
  System Monitoring: Implement monitoring to track lock situations and identify patterns that may lead to frequent locking issues.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. Locks can be exclusive (write locks) or shared (read locks).
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view and manage locks), SM21 (to check system logs), and ST22 (to check for dumps) for further investigation.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message. Sometimes, specific versions of SAP may have bugs that are documented in SAP Notes.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.