How To Fix B1656 - System & occurs more than once as the target system

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 656

• Message text: System & occurs more than once as the target system

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 B1656 - System & occurs more than once as the target system ?

  The SAP error message B1656 typically indicates that there is an issue with the system configuration, particularly related to the target system in a transport request. The message "System & occurs more than once as the target system" suggests that the same target system has been specified multiple times in the transport request, which is not allowed.
  Cause:
  
  Duplicate Entries: The transport request may have been configured with the same target system listed multiple times.
  Transport Layer Configuration: There may be an issue with the transport layer configuration that allows the same system to be included more than once.
  Transport Route Issues: The transport routes may not be correctly defined, leading to confusion in the system about the target systems.
  
  Solution:
  
  Check Transport Request: Review the transport request to ensure that the target system is only listed once. You can do this by going to the Transport Organizer (transaction code SE09 or SE10) and checking the details of the transport request.
  Modify Transport Layer: If the transport layer is incorrectly configured, you may need to adjust the settings in transaction code STMS (Transport Management System) to ensure that the target systems are correctly defined.
  Recreate Transport Request: If the issue persists, consider recreating the transport request to ensure that it is set up correctly without duplicate entries.
  Consult Basis Team: If you are unable to resolve the issue, it may be necessary to consult your SAP Basis team for further assistance, as they can provide insights into the transport configuration and help troubleshoot the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE09 (Transport Organizer), SE10 (Transport Organizer - Workbench Requests), and STMS (Transport Management System) for managing transport requests.
  Transport Routes: Understanding how transport routes work in SAP can help prevent similar issues in the future. You can check the transport routes in STMS under the "Overview" section.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the B1656 error and ensure that your transport requests are correctly configured.