How To Fix /SCWM/UI026 - Delivery &1 could not be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/UI -

• Message number: 026

• Message text: Delivery &1 could not be locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/UI026 - Delivery &1 could not be locked ?

  The SAP error message /SCWM/UI026 Delivery &1 could not be locked typically occurs in the context of the SAP Extended Warehouse Management (EWM) module. This error indicates that the system is unable to lock a specific delivery document, which is necessary for processing operations such as picking, packing, or shipping.
  Causes:
  
  Concurrent Access: The delivery document is being accessed or modified by another user or process, leading to a lock conflict.
  System Performance Issues: High system load or performance issues may prevent the system from acquiring the necessary locks.
  Database Locking: The underlying database may have locks that prevent the delivery from being accessed.
  Configuration Issues: There may be configuration settings that affect how locks are managed in the system.
  
  Solutions:
  
  Check for Concurrent Users: Verify if another user is currently processing the same delivery. If so, wait for them to complete their task.
  Transaction Monitoring: Use transaction codes like SM12 (to check for locks) and SM21 (to check system logs) to identify any locks that may be causing the issue.
  System Performance: Monitor system performance and resolve any bottlenecks that may be affecting lock acquisition.
  Database Locks: If you suspect database locks, you may need to consult with your database administrator to release any unnecessary locks.
  Retry the Operation: Sometimes, simply retrying the operation after a short wait can resolve the issue if it was caused by a temporary lock.
  Check Configuration: Review the configuration settings related to locking mechanisms in EWM to ensure they are set up correctly.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Refer to the SAP EWM documentation for detailed information on how locking works within the system and best practices for managing deliveries.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the /SCWM/UI026 Delivery &1 could not be locked error message.