How To Fix /SAPAPO/OM_PERF_MSG334 - Variable objects: Dereference against OMS cache

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_PERF_MSG -

• Message number: 334

• Message text: Variable objects: Dereference against OMS cache

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_PERF_MSG334 - Variable objects: Dereference against OMS cache ?

  The SAP error message /SAPAPO/OM_PERF_MSG334 Variable objects: Dereference against OMS cache typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue related to the Object Management System (OMS) cache. This error indicates that there is a problem with accessing or dereferencing variable objects in the OMS cache, which can affect the performance of planning functions.
  Causes:
  
  Cache Inconsistency: The OMS cache may be inconsistent or corrupted, leading to issues when trying to access variable objects.
  Memory Issues: Insufficient memory allocation for the OMS cache can lead to performance problems and errors.
  Configuration Issues: Incorrect configuration settings in the APO system can lead to problems with how variable objects are managed.
  Data Volume: A large volume of data being processed can overwhelm the cache, leading to performance issues.
  System Bugs: There may be bugs in the version of SAP APO you are using that affect how the OMS cache operates.
  
  Solutions:
  
  Clear the OMS Cache: You can try clearing the OMS cache to resolve inconsistencies. This can often be done through transaction codes like /SAPAPO/OM_CACHE or similar, depending on your system version.
  Increase Memory Allocation: If memory issues are suspected, consider increasing the memory allocation for the APO system. This can be done through system parameters in the SAP profile.
  Check Configuration: Review the configuration settings related to the OMS and variable objects to ensure they are set up correctly.
  Update SAP APO: Ensure that you are running the latest version of SAP APO, as updates may contain bug fixes and performance improvements.
  Monitor System Performance: Use transaction codes like ST02 (buffer management) and ST04 (database performance) to monitor system performance and identify bottlenecks.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide guidance on performance tuning.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/OM_CACHE, /SAPAPO/OM_PERF, and others that can help in diagnosing and resolving issues.
  SAP Documentation: Refer to the official SAP documentation for APO and OMS for detailed information on configuration and performance tuning.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found effective.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.