How To Fix CRM_NF_CORE004 - No memory available for &1 bytes in the shared object memory

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_NF_CORE - Messages for Notification Framework Core Exceptions

• Message number: 004

• Message text: No memory available for &1 bytes in the shared object 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 CRM_NF_CORE004 - No memory available for &1 bytes in the shared object memory ?

  The SAP error message CRM_NF_CORE004 indicates that there is insufficient memory available in the shared object memory for the requested allocation. This can occur in various scenarios, particularly when the system is under heavy load or when there are memory leaks or misconfigurations.
  Causes:
  
  Insufficient Shared Memory Configuration: The shared memory settings in the SAP system may not be configured to handle the current workload.
  Memory Leaks: There may be memory leaks in the application or in custom code that is consuming more memory than expected.
  High Load: The system may be experiencing a high volume of transactions or processes that require more memory than is currently allocated.
  System Limits: The operating system or database may have limits on the amount of shared memory that can be allocated.
  
  Solutions:
  
  
  Increase Shared Memory Configuration:
  
  You can increase the shared memory settings in the SAP system. This is typically done in the instance profile (e.g., DEFAULT.PFL or instance-specific profile).
  Parameters to consider include:
  
  abap/shared_objects_size_MB
  abap/heap_area_total_MB
  abap/heap_area_dia_MB
  
  
  After making changes, restart the SAP instance for the changes to take effect.
  
  
  
  Monitor and Optimize Memory Usage:
  
  Use transaction codes like ST02 (Tune Summary) and SM50 (Process Overview) to monitor memory usage and identify any processes that are consuming excessive memory.
  Check for long-running transactions or background jobs that may be causing memory issues.
  
  
  
  Check for Memory Leaks:
  
  Review custom code and enhancements for potential memory leaks. Use tools like the ABAP Memory Inspector or transaction SE30 (Runtime Analysis) to analyze memory consumption.
  
  
  
  System Resource Check:
  
  Ensure that the underlying operating system has sufficient resources (RAM, swap space) available. If necessary, consider upgrading the hardware or optimizing other applications running on the same server.
  
  
  
  Database Configuration:
  
  Check the database configuration for memory settings. Ensure that the database is not hitting its memory limits, which could affect the SAP application.
  
  
  
  SAP Notes and Support:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on memory management.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  ST02: Tune Summary for monitoring memory usage.
  SM50: Process Overview to see active processes and their memory consumption.
  SE30: Runtime Analysis for analyzing performance and memory usage of ABAP programs.
  
  
  
  SAP Documentation: Refer to the SAP Help Portal for documentation on memory management and configuration best practices.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to diagnose and resolve the memory allocation issue indicated by the CRM_NF_CORE004 error message.