How To Fix /SAPAPO/OM_PERF_MSG324 - Keyed objects: Second key dereference after switching key caching on

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_PERF_MSG -

• Message number: 324

• Message text: Keyed objects: Second key dereference after switching key caching on

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_MSG324 - Keyed objects: Second key dereference after switching key caching on ?

  The SAP error message /SAPAPO/OM_PERF_MSG324 indicates an issue related to the performance of key dereferencing in the SAP Advanced Planning and Optimization (APO) module. This error typically arises when there is a problem with the way key caching is configured or utilized in the system.
  Cause:
  The error message suggests that there is a second key dereference occurring after key caching has been enabled. This can happen due to several reasons:
  
  Key Caching Configuration: The key caching might not be properly configured, leading to inefficient dereferencing of objects.
  Data Model Issues: There may be issues with the data model or the way objects are being accessed, causing the system to attempt to dereference keys multiple times.
  Performance Bottlenecks: If the system is under heavy load or if there are performance bottlenecks, it may lead to unexpected behavior in key dereferencing.
  Custom Code: If there are custom developments or enhancements in the APO system, they might not be optimized for key caching.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  Check Key Caching Settings: Review the configuration settings for key caching in your APO system. Ensure that it is enabled and configured correctly.
  Analyze Custom Code: If there are any custom developments, review the code to ensure that it is not causing unnecessary key dereferences. Optimize the code if necessary.
  Performance Analysis: Use performance analysis tools (like ST05 or SAT) to identify any performance bottlenecks or issues with key dereferencing.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  System Monitoring: Monitor the system performance and load to ensure that it is operating within acceptable parameters. If the system is under heavy load, consider scaling resources or optimizing processes.
  Consult SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance. They can provide insights based on the specific configuration and usage of your system.
  
  Related Information:
  
  SAP APO Documentation: Review the official SAP documentation for APO, particularly sections related to key caching and performance optimization.
  Performance Tuning Guides: Look for performance tuning guides specific to SAP APO, which may provide additional insights and best practices.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the /SAPAPO/OM_PERF_MSG324 error message.