How To Fix /SAPAPO/OM_ERROR2233 - Doubled lock for liveCache object

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 233

• Message text: Doubled lock for liveCache object

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR2233 - Doubled lock for liveCache object ?

  The SAP error message /SAPAPO/OM_ERROR2233 indicates a "Doubled lock for liveCache object." This error typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an attempt to lock a LiveCache object that is already locked by another process or session. This can happen due to various reasons, such as concurrent processes trying to access the same data or issues with the locking mechanism itself.
  Causes:
  
  Concurrent Access: Multiple processes or users are trying to access or modify the same LiveCache object simultaneously.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock longer than expected, causing other transactions to fail when they attempt to acquire the same lock.
  Deadlocks: Situations where two or more processes are waiting for each other to release locks can lead to this error.
  System Configuration Issues: Misconfigurations in the LiveCache settings or the APO system can lead to locking issues.
  
  Solutions:
  
  
  Identify and Terminate Blocking Processes:
  
  Use transaction codes like SM12 (to view and delete locks) and SM66 (to monitor active processes) to identify any blocking processes.
  If you find a process that is holding a lock for too long, consider terminating it if it is safe to do so.
  
  
  
  Review and Optimize Long-Running Transactions:
  
  Analyze the transactions that are taking a long time to complete and optimize them to reduce their execution time.
  Ensure that transactions are designed to acquire locks only when necessary and release them as soon as possible.
  
  
  
  Check for Deadlocks:
  
  Monitor the system for deadlocks and resolve them by ensuring that processes acquire locks in a consistent order.
  
  
  
  Adjust Lock Timeout Settings:
  
  Review and adjust the lock timeout settings in the system configuration if necessary. This can help in reducing the chances of encountering lock-related issues.
  
  
  
  System Configuration Review:
  
  Ensure that the LiveCache and APO system configurations are set up correctly. Consult SAP documentation or your system administrator for best practices.
  
  
  
  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:
  
  SAP Documentation: Refer to the official SAP documentation for APO and LiveCache for detailed information on locking mechanisms and best practices.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it impacts business operations.
  
  By following these steps, you should be able to diagnose and resolve the /SAPAPO/OM_ERROR2233 error effectively.