How To Fix RSCRM_IMP_CORE042 - Exception occurred while attempting to access shared memory

SAP Error Message - Details

• Message type: E = Error

• Message class: RSCRM_IMP_CORE - Message class for planning BI

• Message number: 042

• Message text: Exception occurred while attempting to access shared 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 RSCRM_IMP_CORE042 - Exception occurred while attempting to access shared memory ?

  The SAP error message RSCRM_IMP_CORE042 indicates that there is an issue with accessing shared memory in the context of the SAP system. This error typically occurs in the context of the SAP BW (Business Warehouse) or when using the SAP CRM (Customer Relationship Management) system, particularly during data extraction or loading processes.
  Causes:
  
  Memory Allocation Issues: The shared memory segment may not be allocated properly, or there may not be enough memory available for the operation.
  Configuration Issues: Incorrect configuration settings for shared memory in the SAP system can lead to access issues.
  Locks or Conflicts: Other processes may be holding locks on the shared memory, preventing access.
  Kernel or Version Issues: Bugs or incompatibilities in the SAP kernel or the version of the software being used can also lead to this error.
  System Resource Limitations: The system may be running low on resources, such as RAM or CPU, which can affect memory access.
  
  Solutions:
  
  
  Check Memory Configuration:
  
  Review the shared memory configuration in the SAP system. Ensure that the parameters related to shared memory are set correctly in the instance profile (e.g., abap/shared_objects).
  Increase the shared memory size if necessary.
  
  
  
  Restart the SAP System:
  
  Sometimes, a simple restart of the SAP system can resolve temporary issues related to memory access.
  
  
  
  Check for Locks:
  
  Use transaction codes like SM12 to check for any locks that might be preventing access to shared memory. Release any unnecessary locks.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction SM21) for any related error messages or warnings that could provide more context about the issue.
  
  
  
  Update SAP Kernel:
  
  Ensure that you are using the latest version of the SAP kernel. If not, consider applying the latest patches or updates.
  
  
  
  Monitor System Resources:
  
  Use transaction ST02 (Tune Summary) to monitor memory usage and check for any bottlenecks in the system resources.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be known issues and fixes provided by SAP.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: SM12 (Lock Entries), SM21 (System Log), ST02 (Tune Summary), ST04 (Database Performance).
  SAP Notes: Always check the SAP Support Portal for specific notes related to the error message RSCRM_IMP_CORE042.
  System Monitoring: Regularly monitor system performance and memory usage to prevent such issues from occurring in the future.
  
  By following these steps, you should be able to diagnose and resolve the RSCRM_IMP_CORE042 error effectively.