How To Fix /PF1/MSG_PO726 - Enqueue error has occurred

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_PO -

• Message number: 726

• Message text: Enqueue error has occurred

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_PO726 - Enqueue error has occurred ?

  The SAP error message /PF1/MSG_PO726 indicates that an enqueue error has occurred, which typically means that there is a problem with locking mechanisms in the SAP system. This error can arise in various scenarios, often related to issues with object locks during transactions, particularly in the context of purchase orders or other procurement-related activities.
  Causes of the Error
  
  
  Lock Conflicts: The most common cause is that another user or process is holding a lock on the object you are trying to access. This can happen if multiple users are trying to edit the same purchase order or related document simultaneously.
  
  
  System Performance Issues: If the SAP system is experiencing performance issues, it may not be able to handle enqueue requests properly, leading to errors.
  
  
  Database Issues: Problems with the underlying database, such as deadlocks or other locking issues, can also trigger this error.
  
  
  Configuration Issues: Incorrect configuration of the enqueue server or related settings in the SAP system can lead to locking problems.
  
  
  Transport Issues: If there are ongoing transports that affect the objects you are trying to access, it may lead to temporary locking issues.
  
  
  Solutions
  
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. You can identify if another user or process is holding a lock on the object you are trying to access. If necessary, you can delete the lock entry (if you have the appropriate authorizations).
  
  
  Wait and Retry: If the lock is held by another user, you may need to wait for them to complete their transaction and then retry your action.
  
  
  System Performance Monitoring: Monitor the performance of the SAP system to identify any bottlenecks. You can use transaction codes like ST22 (dump analysis) and SM21 (system log) to check for any related issues.
  
  
  Check Configuration: Review the configuration of the enqueue server and ensure that it is set up correctly. You may need to consult with your SAP Basis team for assistance.
  
  
  Database Check: If you suspect database issues, work with your database administrator to check for deadlocks or other locking problems.
  
  
  Transport Management: If the issue is related to ongoing transports, coordinate with your transport management team to ensure that there are no conflicts.
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM21: View system logs for error messages.
  ST22: Analyze short dumps for further insights.
  SM37: Monitor background jobs that may be causing locks.
  
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  User Communication: If the issue is due to user conflicts, communicate with the affected users to coordinate actions and avoid simultaneous access to the same objects.
  
  
  If the problem persists after trying the above solutions, it may be necessary to escalate the issue to your SAP Basis team or SAP support for further investigation.