How To Fix /ACCGO/CAS_MSG021 - &1 document is already locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/CAS_MSG -

• Message number: 021

• Message text: &1 document is 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 /ACCGO/CAS_MSG021 - &1 document is already locked ?

  The SAP error message /ACCGO/CAS_MSG021 &1 document is already locked typically indicates that a document you are trying to access or modify is currently locked by another user or process. This can happen in various SAP modules, particularly in financial or accounting contexts where multiple users may be working on the same documents.
  Cause:
  
  Concurrent Access: Another user is currently editing or processing the same document.
  Background Jobs: A background job may be running that is accessing the document.
  Session Issues: A previous session may not have been closed properly, leaving the document in a locked state.
  System Errors: Occasionally, system errors or crashes can lead to documents being left in a locked state.
  
  Solution:
  
  Check Document Lock: Use transaction code SM12 to check for locks on the document. You can search for the document by user or by the document number.
  Identify the Locking User: In SM12, you can see which user has locked the document. If it is a legitimate user, you may need to wait until they finish their work.
  Release the Lock: If you determine that the lock is no longer needed (for example, if the user has logged off or the session is stale), you can manually delete the lock entry in SM12. Be cautious with this step, as it may disrupt the work of the user who has the document locked.
  Communicate with Users: If you find that another user is working on the document, communicate with them to understand their needs and coordinate access.
  Check Background Jobs: Use transaction code SM37 to check if any background jobs are running that might be locking the document.
  Restart Session: If you suspect that your own session is causing the lock, try logging out and logging back in to SAP.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM37: To monitor background jobs.
  SU01: To manage user accounts and check user sessions.
  
  
  Documentation: Refer to SAP Help documentation for more details on document locking and handling locks in SAP.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to document locking in your version of SAP.
  
  If the problem persists after trying these solutions, it may be necessary to consult with your SAP Basis team or technical support for further investigation.