How To Fix CNV40107023 - Check for Split/duplicate of Old Logical System

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV40107 - Package 40107 - Logical System

• Message number: 023

• Message text: Check for Split/duplicate of Old Logical 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV40107023 - Check for Split/duplicate of Old Logical System ?

  The SAP error message CNV40107023, which states "Check for Split/duplicate of Old Logical System," typically occurs during data migration or system conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there are issues related to the logical system configuration, specifically concerning the potential duplication or splitting of data associated with old logical systems.
  Cause:
  
  
  Duplicate Logical Systems: The error may arise if there are multiple entries for the same logical system in the system configuration. This can happen if the logical system names are not unique or if there are remnants of old configurations.
  
  
  Data Splitting: If the data from the old logical system is being split across multiple new logical systems, the migration tool may not be able to reconcile the data correctly, leading to this error.
  
  
  Configuration Issues: Incorrect or incomplete configuration of logical systems in the SAP system can also lead to this error. This includes issues in the transport routes or the logical system settings in the client.
  
  
  Solution:
  
  
  Check Logical System Configuration:
  
  Go to transaction SCC4 to check the logical system configuration.
  Ensure that each logical system is unique and correctly defined.
  
  
  
  Review Transport Routes:
  
  Use transaction STMS to check the transport routes and ensure that there are no inconsistencies or duplicates in the logical system definitions.
  
  
  
  Data Consistency Check:
  
  Perform a consistency check on the data being migrated. Ensure that there are no duplicate entries in the source data that could lead to conflicts during migration.
  
  
  
  Adjust Migration Settings:
  
  If you are using the SAP S/4HANA Migration Cockpit, review the migration settings and mappings to ensure that they are correctly set up to handle the logical systems.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and notes that provide solutions for known issues.
  
  
  
  Engage SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. They can provide insights based on the specific context of your system and migration.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SCC4 (Client Administration), STMS (Transport Management System), and SE06 (Transport Organizer).
  Documentation: Review the official SAP documentation related to data migration and logical system configuration for best practices and guidelines.
  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 CNV40107023 error in your SAP environment.