How To Fix MPE_EXEC_SFO091 - Operation activities of order &1 are locked by another process

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_EXEC_SFO - Messages for Shop Floor Orders

• Message number: 091

• Message text: Operation activities of order &1 are locked by another process

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_EXEC_SFO091 - Operation activities of order &1 are locked by another process ?

  The SAP error message MPE_EXEC_SFO091 indicates that the operation activities of a specific order (denoted by &1) are currently locked by another process. This typically occurs in environments where multiple users or processes are trying to access or modify the same order simultaneously, leading to a lock situation to maintain data integrity.
  Cause:
  
  Concurrent Access: Another user or background job is currently processing the same order, which results in a lock on the operation activities.
  Long-Running Transactions: If a transaction takes too long to complete, it can hold locks longer than expected, causing other processes to wait.
  System Configuration: Certain configurations in the SAP system may lead to more frequent locking situations, especially in high-transaction environments.
  
  Solution:
  
  Wait and Retry: Often, the simplest solution is to wait for the other process to complete. Once the lock is released, you can try to access the order again.
  Identify the Lock: Use transaction code SM12 to check for locks on the order. You can identify the user or process that is holding the lock.
  Release the Lock: If you have the necessary authorizations, you can manually release the lock from transaction SM12. However, be cautious with this approach, as it may lead to data inconsistencies if the other process is still running.
  Optimize Processes: Review the processes that are causing locks. If certain transactions are taking too long, consider optimizing them or scheduling them during off-peak hours.
  Check for Background Jobs: Sometimes, background jobs can hold locks. Use transaction SM37 to check for any long-running jobs that might be affecting the order.
  Consult with Basis Team: If the issue persists, it may be necessary to involve your SAP Basis team to investigate further, as they can provide insights into system performance and locking behavior.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. SAP uses a locking mechanism to prevent data inconsistencies when multiple users access the same data.
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM37: To monitor background jobs.
  SM21: To check system logs for any related errors or warnings.
  
  
  Documentation: Refer to SAP Help documentation for more details on locking mechanisms and best practices for managing locks in SAP.
  
  By following these steps, you should be able to resolve the locking issue associated with the error message MPE_EXEC_SFO091.