How To Fix /SAPAPO/OM_PERF_MSG326 - Keyed objects: Second key deref. of nonexistent object after key caching

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_PERF_MSG -

• Message number: 326

• Message text: Keyed objects: Second key deref. of nonexistent object after key caching

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_PERF_MSG326 - Keyed objects: Second key deref. of nonexistent object after key caching ?

  The SAP error message /SAPAPO/OM_PERF_MSG326 indicates that there is an issue related to the key dereferencing of objects in the SAP Advanced Planning and Optimization (APO) module. Specifically, it suggests that the system is trying to access a keyed object that does not exist after it has been cached. This can occur in various scenarios, such as when there are inconsistencies in the data or when the system is trying to access an object that has been deleted or is not properly initialized.
  Causes:
  
  Data Inconsistency: The object that the system is trying to access may have been deleted or is not available in the database.
  Caching Issues: The key caching mechanism may have retained a reference to an object that has since been removed or modified.
  Configuration Errors: Incorrect configuration settings in the APO system can lead to issues with object management.
  Transport Issues: If objects were transported between systems (e.g., from development to production), there may be discrepancies in the object keys.
  
  Solutions:
  
  Check Object Existence: Verify that the object in question exists in the database. You can do this by using transaction codes like /SAPAPO/OM_ORDER or relevant transaction codes for the specific object type.
  Clear Cache: If caching is suspected to be the issue, you can try clearing the cache. This can often be done through transaction /SAPAPO/OM_CACHE or similar transactions.
  Consistency Check: Run consistency checks for the relevant APO objects. This can help identify any inconsistencies in the data.
  Review Configuration: Check the configuration settings in the APO system to ensure that they are set up correctly.
  Transport Logs: If the issue arose after a transport, review the transport logs to ensure that all objects were transported correctly and that there are no missing dependencies.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve the issue.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for APO for more detailed information on object management and caching mechanisms.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Support Tickets: If the issue persists, consider opening a support ticket with SAP for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the error message /SAPAPO/OM_PERF_MSG326.