How To Fix /SCWM/EXT_SYS_LCK004 - Lock has already expired

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/EXT_SYS_LCK -

• Message number: 004

• Message text: Lock has already expired

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/EXT_SYS_LCK004 - Lock has already expired ?

  The SAP error message /SCWM/EXT_SYS_LCK004 Lock has already expired typically occurs in the context of SAP Extended Warehouse Management (EWM) when there is an attempt to access a lock that has already expired. This can happen in scenarios where external systems are involved, and they may not have released the lock properly or the lock duration was set too short.
  Cause:
  
  Lock Expiration: The lock that was set for a particular operation has expired before the operation could complete. This can happen if the operation takes longer than expected.
  External System Interaction: If the lock is being managed by an external system (like a third-party logistics provider), there may be issues with how that system is handling locks.
  Configuration Issues: The configuration settings for lock duration may be too short for the operations being performed.
  Network Issues: Temporary network issues can cause delays in communication between systems, leading to lock expiration.
  
  Solution:
  
  Increase Lock Duration: Review and adjust the configuration settings for lock duration in the SAP EWM system to ensure that they are sufficient for the operations being performed.
  Check External System: If an external system is involved, ensure that it is properly managing locks and releasing them when operations are complete.
  Retry the Operation: If the lock has expired, you may need to retry the operation that caused the error.
  Monitor Performance: Monitor the performance of the operations to identify any bottlenecks that may be causing delays.
  Review Logs: Check the application logs for any additional error messages or warnings that may provide more context about the issue.
  Consult Documentation: Refer to SAP documentation or support for specific guidance related to your version of EWM and the external systems involved.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches and updates.
  Transaction Codes: Use transaction codes like /SCWM/LOCK to manage locks and view their status.
  Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it involves complex interactions with external systems.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the /SCWM/EXT_SYS_LCK004 Lock has already expired error effectively.