How To Fix D-170 - A type 'S' session with this session ID does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: D- -

• Message number: 170

• Message text: A type 'S' session with this session ID does not exist

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message D-170 - A type 'S' session with this session ID does not exist ?

  The SAP error message "D-170 A type 'S' session with this session ID does not exist" typically indicates that there is an issue with a session that the system is trying to access, but it cannot find it. This error can occur in various scenarios, such as when a user tries to access a session that has already been closed or when there is a problem with the session management in the SAP system.
  Causes:
  
  Session Timeout: The session may have timed out due to inactivity.
  Session Termination: The session may have been terminated by the user or by the system.
  Incorrect Session ID: The session ID being referenced may be incorrect or invalid.
  Network Issues: Connectivity problems may lead to the session being lost or not recognized.
  System Configuration: There may be issues with the configuration of the SAP system that affect session management.
  
  Solutions:
  
  Re-login: Log out of the SAP system and log back in to create a new session.
  Check Session ID: Ensure that the session ID you are trying to access is correct and valid.
  Increase Timeout Settings: If session timeouts are frequent, consider increasing the timeout settings in the SAP system configuration.
  Clear Cache: Clear the browser or SAP GUI cache to remove any corrupted session data.
  Check for System Updates: Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve underlying issues.
  Contact Support: If the issue persists, contact your SAP support team for further assistance, as they may need to investigate the system logs for more details.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to session management and the specific error message.
  System Logs: Review system logs (transaction SM21) for any related errors or warnings that could provide more context.
  User Sessions: Use transaction SM04 to monitor user sessions and see if there are any anomalies.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to check for locked entries) and SM13 (to check for update records) that may help in diagnosing session-related issues.
  
  By following these steps, you should be able to address the "D-170 A type 'S' session with this session ID does not exist" error effectively.