How To Fix D-324 - Mapped session ID is illegal

SAP Error Message - Details

• Message type: E = Error

• Message class: D- -

• Message number: 324

• Message text: Mapped session ID is illegal

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message D-324 - Mapped session ID is illegal ?

  The SAP error message "D-324 Mapped session ID is illegal" typically indicates an issue related to session management in the SAP system. This error can occur in various contexts, such as during the execution of a transaction or when trying to access certain functionalities within the SAP environment.
  Cause:
  
  
  Session Management Issues: The error often arises when there is a problem with the session ID being used. This could be due to:
  
  The session ID being expired or invalid.
  A mismatch between the session ID and the expected session state.
  Corruption in session data.
  
  
  
  Network Issues: Sometimes, network interruptions or issues can lead to session IDs being lost or corrupted.
  
  
  Configuration Problems: Incorrect configurations in the SAP system or in the middleware (if applicable) can also lead to this error.
  
  
  User Authorization: The user may not have the necessary authorizations to access the session or perform the action associated with the session ID.
  
  
  Solution:
  
  
  Refresh the Session: Log out and log back into the SAP system to refresh the session. This can often resolve temporary session-related issues.
  
  
  Check User Authorizations: Ensure that the user has the necessary authorizations to perform the action that triggered the error.
  
  
  Review Configuration Settings: Check the configuration settings related to session management in the SAP system. Ensure that they are set correctly.
  
  
  Clear Cache: If applicable, clear the cache of the SAP GUI or the web browser being used to access the SAP system.
  
  
  Check for Updates: Ensure that the SAP system is up to date with the latest patches and updates, as this can resolve known issues.
  
  
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error. SAP frequently publishes notes that provide solutions or workarounds for known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurred.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on session management and error handling.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to diagnose and resolve the "D-324 Mapped session ID is illegal" error in your SAP environment.