How To Fix /SCWM/SERIAL117 - Unique item identifier &2 locked by user &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/SERIAL -

• Message number: 117

• Message text: Unique item identifier &2 locked by user &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/SERIAL117 - Unique item identifier &2 locked by user &1 ?

  The SAP error message /SCWM/SERIAL117 Unique item identifier &2 locked by user &1 typically occurs in the SAP Extended Warehouse Management (EWM) module when a user attempts to access or modify a unique item identifier (such as a serial number) that is currently locked by another user. This locking mechanism is in place to prevent data inconsistencies and ensure that only one user can make changes to a specific item at a time.
  Cause:
  
  Concurrent Access: Another user is currently working with the same unique item identifier, which causes the system to lock it for editing.
  Session Timeout: A previous session may not have released the lock properly due to a timeout or an unexpected termination.
  Long-running Transactions: If a transaction takes too long to complete, it may hold the lock longer than expected.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to finish their transaction and then try again.
  Identify the Lock: Use transaction codes like SM12 (for lock entries) to identify which user is holding the lock on the unique item identifier. You can check the lock entries and see if the lock is still active.
  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 and ideally after confirming with the user who holds the lock to avoid data inconsistencies.
  Check for Long-running Transactions: If the lock is due to a long-running transaction, you may need to investigate and optimize the process to prevent future occurrences.
  User Communication: If multiple users are working with the same item, ensure that there is clear communication to avoid conflicts.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting similar issues. Locks are typically managed at the database level to ensure data integrity.
  User Roles and Authorizations: Ensure that users have the appropriate roles and authorizations to access and modify the items they need.
  System Performance: Regularly monitor system performance and transaction times to identify potential bottlenecks that could lead to locking issues.
  Documentation and Training: Providing users with documentation and training on how to handle unique item identifiers can help reduce the frequency of such errors.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.