How To Fix NSDM_MESSAGES004 - Period Generation for Company Code &1 locked by other user

SAP Error Message - Details

• Message type: E = Error

• Message class: NSDM_MESSAGES - Messages MM-IM new simplified data model

• Message number: 004

• Message text: Period Generation for Company Code &1 locked by other user

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message NSDM_MESSAGES004 - Period Generation for Company Code &1 locked by other user ?

  The SAP error message NSDM_MESSAGES004 indicates that the period generation for a specific company code is locked by another user. This typically occurs when one user is trying to perform a task that requires access to a period that is currently being processed or modified by another user.
  Cause:
  
  Concurrent Access: Another user is currently executing a transaction that locks the period for the specified company code.
  Background Jobs: A background job may be running that is processing data for the same period, causing a lock.
  Transaction Lock: The transaction may have been left open by another user, leading to a lock on the period.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to complete their task and then try again.
  Identify the Lock:
  
  Use transaction SM12 to check for locks. You can see which user is holding the lock and what transaction is causing it.
  If you have the necessary authorizations, you can also unlock the session if it is safe to do so.
  
  
  Communicate with Users: If you identify the user who is holding the lock, communicate with them to understand their timeline for completing the task.
  Check Background Jobs: Use transaction SM37 to check if there are any background jobs running that might be causing the lock. If necessary, you can wait for the job to finish or consult with the job owner.
  System Administration: If the issue persists and you cannot identify the cause, consult with your SAP Basis team or system administrator for further investigation.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM37: To monitor background jobs.
  
  
  User Roles: Ensure that users have the appropriate roles and permissions to perform the required actions without causing locks.
  Documentation: Refer to SAP documentation or support notes for more detailed troubleshooting steps related to locking issues.
  
  By following these steps, you should be able to resolve the error and proceed with the period generation for the specified company code.