How To Fix BS_CT_MESSAGES039 - SHM instance &1: not freed due to parameter error

SAP Error Message - Details

• Message type: E = Error

• Message class: BS_CT_MESSAGES - Messages for Context According

• Message number: 039

• Message text: SHM instance &1: not freed due to parameter error

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BS_CT_MESSAGES039 - SHM instance &1: not freed due to parameter error ?

  The SAP error message BS_CT_MESSAGES039 indicates that a Shared Memory (SHM) instance could not be freed due to a parameter error. This error typically arises in the context of memory management within the SAP system, particularly when dealing with shared memory instances.
  Cause:
  
  Parameter Misconfiguration: The parameters used to manage the shared memory instance may be incorrectly configured. This could involve incorrect settings in the instance configuration or issues with the parameters passed during the memory allocation or deallocation process.
  Memory Leaks: If there are memory leaks in the application, it may lead to instances not being freed properly.
  System Resource Issues: Insufficient system resources or limits on memory allocation can also lead to this error.
  Programming Errors: If custom code or enhancements are involved, there may be programming errors that prevent the proper handling of shared memory instances.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the shared memory instance. Ensure that all parameters are set correctly and conform to the expected values.
  Review Logs: Check the SAP system logs (transaction SM21) and the developer traces (transaction ST22) for any additional error messages or warnings that could provide more context about the issue.
  Memory Management: Investigate the memory management practices in your application. Ensure that all allocated memory is properly released and that there are no leaks.
  System Resources: Monitor system resources to ensure that there is enough memory available for the SAP system to operate. You may need to adjust system parameters or increase available resources.
  Code Review: If custom code is involved, review it for any potential issues related to memory allocation and deallocation. Ensure that the code adheres to best practices for memory management.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues related to shared memory management.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SM37 (Job Monitoring), SM21 (System Log), ST22 (Dump Analysis), and ST04 (Database Performance) to gather more information about the error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Refer to SAP documentation regarding shared memory management for best practices and troubleshooting steps.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.