How To Fix /SAPAPO/OM_PERF_MSG075 - Allocate memory

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_PERF_MSG -

• Message number: 075

• Message text: Allocate memory

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_PERF_MSG075 - Allocate memory ?

  The SAP error message /SAPAPO/OM_PERF_MSG075 Allocate memory typically indicates that the system is unable to allocate the required memory for a specific operation in the SAP Advanced Planning and Optimization (APO) module. This can occur due to various reasons, including insufficient memory allocation settings, high system load, or memory leaks in the application.
  Causes:
  
  Insufficient Memory Allocation: The SAP system may not have enough memory allocated to handle the current workload.
  High System Load: If the system is under heavy load, it may struggle to allocate memory for new processes.
  Memory Leaks: There may be issues in the code or configuration that lead to memory not being released properly, causing exhaustion of available memory.
  Configuration Issues: Incorrect settings in the SAP profile parameters related to memory management can lead to this error.
  Large Data Sets: Processing large data sets or complex calculations can require more memory than is available.
  
  Solutions:
  
  
  Increase Memory Allocation:
  
  Check and increase the memory parameters in the SAP profile (e.g., abap/heap_area_total, abap/heap_area_dia, abap/heap_area_nondia).
  Use transaction RZ10 to modify the profile parameters and restart the system for changes to take effect.
  
  
  
  Monitor System Load:
  
  Use transaction SM50 or SM66 to monitor the system load and identify any long-running processes that may be consuming excessive memory.
  Consider scheduling heavy jobs during off-peak hours to reduce load.
  
  
  
  Check for Memory Leaks:
  
  Analyze the application for potential memory leaks. This may require debugging or reviewing custom code.
  Use transaction ST02 (Tune Summary) to check for memory usage and identify any areas that may need optimization.
  
  
  
  Optimize Data Processing:
  
  If processing large data sets, consider breaking them into smaller chunks or optimizing the queries to reduce memory consumption.
  
  
  
  Review SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches and updates.
  
  
  
  Consult Basis Team:
  
  If the issue persists, consult your SAP Basis team for further analysis and assistance. They can provide insights into system performance and configuration.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  RZ10 (Profile Parameter Maintenance)
  SM50 (Process Overview)
  SM66 (Global Process Overview)
  ST02 (Tune Summary)
  
  
  
  SAP Notes: Always check for the latest SAP Notes related to memory management and performance issues in SAP APO.
  
  
  Documentation: Review SAP documentation on memory management and performance tuning for best practices.
  
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the /SAPAPO/OM_PERF_MSG075 Allocate memory error effectively.