How To Fix /SCWM/MON_RSRC004 - Not all WOs are updated (locked by another user)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/MON_RSRC -

• Message number: 004

• Message text: Not all WOs are updated (locked by another user)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/MON_RSRC004 - Not all WOs are updated (locked by another user) ?

  The SAP error message /SCWM/MON_RSRC004 Not all WOs are updated (locked by another user) typically occurs in the context of the SAP Extended Warehouse Management (EWM) module. This error indicates that there are Work Orders (WOs) that cannot be updated because they are currently locked by another user. This can happen in scenarios where multiple users are trying to access or modify the same work orders simultaneously.
  Causes:
  
  Concurrent Access: Another user is currently editing or processing the same work order, leading to a lock on that resource.
  Session Timeout: A previous session may not have released the lock due to a timeout or an unexpected termination.
  System Configuration: Certain configurations in the system may lead to more frequent locking of resources.
  Long-running Transactions: If a transaction takes too long to complete, it may hold locks longer than expected.
  
  Solutions:
  
  Wait and Retry: If the lock is temporary, waiting for the other user to finish their work and then retrying the operation may resolve the issue.
  Identify the Locking User: Use transaction codes like SM12 (for lock entries) to identify which user is holding the lock on the work order. You can then communicate with that user to coordinate access.
  Release Locks: If necessary and appropriate, an administrator can release the locks using transaction SM12. However, this should be done with caution to avoid data inconsistencies.
  Check for Long-running Processes: Investigate if there are any long-running processes that are holding locks and optimize them if possible.
  Review System Configuration: Check the configuration settings related to locking mechanisms in SAP EWM to ensure they are set appropriately for your business processes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to view and manage lock entries), SM21 (to check system logs), and ST22 (to analyze dumps).
  User Training: Ensure that users are trained on how to properly manage work orders and understand the implications of concurrent access.
  System Performance: Regularly monitor system performance and user activity to identify patterns that may lead to locking issues.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to locking behavior in EWM.
  
  By following these steps, you should be able to address the error and minimize its occurrence in the future.