How To Fix /BDL/D-326 - A different (mapped) session ID in the target system is required

SAP Error Message - Details

• Message type: E = Error

• Message class: /BDL/D- -

• Message number: 326

• Message text: A different (mapped) session ID in the target system is required

Self-Explanatory Message

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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 /BDL/D-326 - A different (mapped) session ID in the target system is required ?

  The SAP error message /BDL/D-326 A different (mapped) session ID in the target system is required typically occurs in the context of SAP Business Data Language (BDL) or when dealing with data transfer between systems, particularly in scenarios involving remote function calls (RFC) or data replication.
  Cause:
  This error generally indicates that there is a mismatch in the session ID being used for a particular operation. The session ID is a unique identifier for a user session in SAP, and it is essential for maintaining the integrity of transactions and data transfers. The error can occur due to several reasons:
  
  Session ID Mismatch: The session ID being used in the source system does not match the expected session ID in the target system.
  Configuration Issues: There may be configuration issues in the RFC destination settings or in the mapping of session IDs between the source and target systems.
  Network Issues: Temporary network issues or interruptions can lead to session ID mismatches.
  User Authorization: The user may not have the necessary authorizations to perform the operation in the target system.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Session ID Mapping: Ensure that the session ID mapping between the source and target systems is correctly configured. This may involve checking the settings in transaction SM59 (RFC Destinations) to ensure that the destination is correctly set up.
  
  
  Re-establish Connection: If there are network issues, try to re-establish the connection between the systems. This may involve restarting the SAP application server or checking network connectivity.
  
  
  User Authorization: Verify that the user has the necessary authorizations in both the source and target systems. You can check user roles and authorizations in transaction SU01.
  
  
  Check for Active Sessions: Ensure that there are no conflicting active sessions in the target system that might be causing the mismatch. You can check active sessions using transaction SM04.
  
  
  Review Logs: Check the system logs for any additional error messages or warnings that might provide more context about the issue. You can use transaction SM21 to view the system log.
  
  
  Consult Documentation: If the issue persists, consult SAP documentation or support for specific guidance related to your version and configuration.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM59 (RFC Destinations), SU01 (User Maintenance), and SM21 (System Log).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to diagnose and resolve the error related to the session ID mismatch in your SAP environment.