How To Fix B1666 - Converting the logical system name & to the name &

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 666

• Message text: Converting the logical system name & to the name &

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message B1666 - Converting the logical system name & to the name & ?

  The SAP error message B1666 typically occurs when there is an issue with the logical system name during data transfer or integration processes. This error indicates that there is a problem converting the logical system name from one format to another, which can happen in various scenarios, such as during IDoc processing, ALE (Application Link Enabling) configuration, or when working with different SAP systems.
  Cause:
  
  Incorrect Logical System Name: The logical system name specified in the configuration may not exist or may be incorrectly defined.
  Configuration Issues: There may be inconsistencies in the configuration of the logical systems in the SAP system.
  Transport Issues: If the logical system names are not properly transported between different environments (e.g., Development to Production), this error can occur.
  Missing or Incorrect RFC Destination: The RFC destination may not be correctly set up or may not point to the correct logical system.
  
  Solution:
  
  
  Check Logical System Names: Verify that the logical system names are correctly defined in the system. You can do this by navigating to:
  
  Transaction Code: SALE (for ALE configuration) or BD54 (for logical system configuration).
  Ensure that the logical system names are correctly defined and match the expected format.
  
  
  
  Review Configuration: Check the configuration settings for the logical systems involved in the data transfer. Ensure that the settings are consistent and correctly mapped.
  
  
  RFC Destination: Verify the RFC destination settings:
  
  Use Transaction Code: SM59 to check the RFC destinations.
  Ensure that the destination is correctly configured and points to the right logical system.
  
  
  
  Transport Requests: If the logical system names were recently transported, ensure that the transport requests were successful and that all necessary objects were included.
  
  
  Check for Typographical Errors: Look for any typographical errors in the logical system names in the configuration settings.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SALE, BD54, and SM59 for configuration and troubleshooting.
  Documentation: Review SAP documentation related to ALE, IDocs, and logical system configuration for a deeper understanding of how these components interact.
  SAP Community: Engage with the SAP Community forums for insights and solutions shared by other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the B1666 error and implement the necessary solutions to resolve it.