How To Fix /SCWM/SHP_RCV744 - Due to lock error, not all deliveries could be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/SHP_RCV -

• Message number: 744

• Message text: Due to lock error, not all deliveries could be changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/SHP_RCV744 - Due to lock error, not all deliveries could be changed ?

  The SAP error message /SCWM/SHP_RCV744 indicates that there is a lock error preventing the system from processing all deliveries. This typically occurs in the context of warehouse management and logistics processes, particularly when multiple users or processes are trying to access or modify the same delivery documents simultaneously.
  Cause:
  
  
  Lock Conflicts: The most common cause of this error is that another user or process has locked the delivery document you are trying to change. This can happen if:
  
  Another transaction is currently processing the same delivery.
  There are background jobs or batch processes that are accessing the same data.
  The system is experiencing a deadlock situation.
  
  
  
  Long-running Transactions: If a transaction takes too long to complete, it can hold locks longer than expected, leading to conflicts with other transactions.
  
  
  Configuration Issues: Sometimes, configuration settings related to locking mechanisms in SAP can lead to unexpected behavior.
  
  
  Solution:
  
  
  Check for Locks: Use transaction code SM12 to check for existing locks on the delivery documents. You can identify the user or process that is holding the lock and take appropriate action, such as waiting for the lock to be released or contacting the user.
  
  
  Retry the Operation: If the lock is temporary, simply retrying the operation after a short wait may resolve the issue.
  
  
  Optimize Transactions: If you frequently encounter this error, consider reviewing and optimizing the transactions that are causing locks. This may involve:
  
  Reducing the time taken by long-running transactions.
  Scheduling batch jobs during off-peak hours to minimize conflicts.
  
  
  
  Review Configuration: Check the configuration settings related to locking in your SAP system. Ensure that they are set up correctly to minimize lock contention.
  
  
  System Monitoring: Implement monitoring tools to keep track of long-running transactions and lock situations. This can help in identifying patterns and addressing issues proactively.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view locks), SM21 (to check system logs), and ST22 (to analyze dumps) for troubleshooting.
  SAP Documentation: Refer to SAP Help documentation for detailed information on warehouse management and handling delivery processes.
  User Training: Ensure that users are trained on best practices for handling deliveries to minimize lock conflicts.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.