How To Fix B1669 - Conversion of the logical system names with conversion matrix &

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 669

• Message text: Conversion of the logical system names with conversion matrix &

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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 B1669 - Conversion of the logical system names with conversion matrix & ?

  The SAP error message B1669 typically indicates an issue related to the conversion of logical system names using a conversion matrix. This error can occur in various contexts, such as during data transfer, system integration, or when working with IDocs.
  Cause:
  The error message B1669 is generally caused by one of the following issues:
  
  Missing Conversion Matrix: The conversion matrix that maps logical system names may not be defined or may be incomplete.
  Incorrect Logical System Names: The logical system names being used may not match those defined in the conversion matrix.
  Configuration Issues: There may be configuration issues in the system that prevent the proper mapping of logical system names.
  Transport Issues: If the logical system names are being transported from one system to another, there may be discrepancies in the configuration between the systems.
  
  Solution:
  To resolve the B1669 error, you can take the following steps:
  
  
  Check the Conversion Matrix:
  
  Go to transaction code SM59 (RFC Destinations) or WE20 (Partner Profiles) to check if the conversion matrix is correctly defined.
  Ensure that the logical system names are correctly mapped in the conversion matrix.
  
  
  
  Verify Logical System Names:
  
  Ensure that the logical system names being used in your process match those defined in the conversion matrix.
  You can check the logical system names in transaction SCC4 (Client Administration) or BD54 (Logical System).
  
  
  
  Configuration Review:
  
  Review the configuration settings related to logical systems and ensure that they are correctly set up.
  Check for any inconsistencies in the configuration that might affect the conversion process.
  
  
  
  Transport Configuration:
  
  If the issue arises during a transport, ensure that the logical system names are consistent across the source and target systems.
  Make sure that the transport requests are correctly configured and that all necessary objects are included.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of SAP you are using for any known issues or additional troubleshooting steps.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM59, WE20, SCC4, and BD54 for managing logical systems and RFC connections.
  SAP Notes: Search for SAP Notes related to error B1669 in the SAP Support Portal for any specific patches or updates that may address the issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the cause of the B1669 error in your SAP system.