How To Fix RPM_LCC128 - SESSION_SWITCH called for matrix &1, direction &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RPM_LCC - Messages for the Test Log for the liveCache Routines

• Message number: 128

• Message text: SESSION_SWITCH called for matrix &1, direction &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RPM_LCC128 - SESSION_SWITCH called for matrix &1, direction &2 ?

  The SAP error message RPM_LCC128, which states "SESSION_SWITCH called for matrix &1, direction &2," typically relates to issues in the context of SAP's Logistics Control Center (LCC) or similar applications where session management is involved. This error can occur when there is an attempt to switch sessions in a matrix (like a planning matrix) that is not properly configured or when there are inconsistencies in the session handling.
  Possible Causes:
  
  Configuration Issues: The matrix configuration may not be set up correctly, leading to session switching errors.
  Data Inconsistencies: There may be inconsistencies in the data being processed, which can cause the session switch to fail.
  Session Management Problems: There could be issues with how sessions are being managed within the application, such as trying to switch to a session that does not exist or is not accessible.
  Authorization Issues: The user may not have the necessary authorizations to perform the session switch.
  
  Solutions:
  
  Check Matrix Configuration: Review the configuration of the matrix referenced in the error message. Ensure that it is set up correctly and that all necessary parameters are defined.
  Validate Data: Check the data being processed in the matrix for any inconsistencies or errors. Ensure that all required data is present and correctly formatted.
  Session Management Review: Investigate the session management logic in the application. Ensure that the sessions being referenced are valid and accessible.
  User Authorizations: Verify that the user encountering the error has the appropriate authorizations to perform the session switch. If necessary, adjust the user roles or permissions.
  SAP Notes and Support: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  Debugging: If you have access to debugging tools, consider debugging the application to trace the exact point of failure and gather more context about the error.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the Logistics Control Center or the specific module you are working with for more detailed information on session management and matrix configuration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists and you are unable to resolve it, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant context to expedite the troubleshooting process.
  
  By following these steps, you should be able to identify the cause of the RPM_LCC128 error and implement a suitable solution.