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

B1656 - Overview

• 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