How To Fix /SAPAPO/OM_PERF_MSG331 - Variable objects: Create variable-sized objects of size 1000 Byte

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_PERF_MSG -

• Message number: 331

• Message text: Variable objects: Create variable-sized objects of size 1000 Byte

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_PERF_MSG331 - Variable objects: Create variable-sized objects of size 1000 Byte ?

  The SAP error message /SAPAPO/OM_PERF_MSG331 typically indicates an issue related to the creation of variable-sized objects in the SAP Advanced Planning and Optimization (APO) module. This error can occur when the system is trying to allocate memory for variable-sized objects, and it encounters a limitation or configuration issue.
  Cause:
  
  Memory Allocation Limitations: The error suggests that the system is trying to create variable-sized objects that exceed the allowed memory allocation size or the configuration settings for memory management.
  Configuration Issues: There may be specific settings in the APO system that limit the size of objects that can be created.
  Performance Issues: The system may be under heavy load, leading to performance bottlenecks that affect memory allocation.
  
  Solution:
  
  
  Check System Configuration:
  
  Review the configuration settings related to memory management in the SAP APO system. Ensure that the parameters for memory allocation are set appropriately.
  You may need to adjust the settings in transaction RZ10 or RZ11 to increase the memory limits.
  
  
  
  Increase Memory Limits:
  
  If the system is configured to limit the size of variable objects, consider increasing these limits. This may involve adjusting parameters such as abap/heap_area_total or abap/heap_area_dia.
  
  
  
  Monitor System Performance:
  
  Use transaction ST02 (Tune Summary) to monitor memory usage and identify any performance issues. Look for any memory bottlenecks that could be causing the error.
  Check for long-running processes or transactions that may be consuming excessive memory.
  
  
  
  Review Code and Data:
  
  If the error is related to specific custom code or data processing, review the code to ensure that it is not attempting to create excessively large objects.
  Optimize any data processing logic that may lead to the creation of large variable-sized objects.
  
  
  
  Consult 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 available that resolve known issues.
  
  
  
  System Upgrade:
  
  If you are running an older version of SAP APO, consider upgrading to a more recent version that may have improved memory management and performance enhancements.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for APO and memory management for detailed guidelines on configuration 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 implemented.
  Performance Tuning: Regularly perform system performance tuning to ensure optimal memory usage and system responsiveness.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage SAP support for further assistance.