How To Fix CNV645 - Build-up of relevant matchcode pool tables was confirmed.


SAP Error Message - Details

  • Message type: E = Error

  • Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

  • Message number: 645

  • Message text: Build-up of relevant matchcode pool tables was confirmed.

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  • 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 CNV645 - Build-up of relevant matchcode pool tables was confirmed. ?

    The SAP error message "CNV645 Build-up of relevant matchcode pool tables was confirmed" typically relates to the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This message indicates that the system has successfully built up the relevant matchcode pool tables, which are used for efficient data retrieval during the migration process.

    Cause:

    1. Data Migration Process: This message is part of the data migration process where the system is preparing to handle large volumes of data efficiently.
    2. Matchcode Pool Tables: These tables are used to store references to data records, allowing for faster searches and retrievals during the migration.
    3. Configuration Issues: Sometimes, the message may appear if there are configuration issues or if the migration process is not set up correctly.

    Solution:

    1. Check Migration Status: Ensure that the migration process is proceeding as expected. This message is generally informational, but if you encounter issues afterward, check the logs for any errors.
    2. Review Configuration: Verify that the configuration settings for the migration are correct. This includes checking the source and target system settings, data mapping, and transformation rules.
    3. Monitor Performance: If the message appears frequently, monitor the performance of the system to ensure that the matchcode pool tables are being utilized effectively.
    4. Consult Documentation: Refer to the SAP documentation related to the specific migration tool you are using for any additional steps or troubleshooting tips.
    5. SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this message or provide updates to the migration tools.

    Related Information:

    • SAP S/4HANA Migration Cockpit: This is a tool provided by SAP to facilitate the migration of data from legacy systems to SAP S/4HANA.
    • Matchcode Pool Tables: These are database tables that help in optimizing search operations within the SAP system.
    • SAP Community: Engaging with the SAP Community can provide insights from other users who may have encountered similar issues.

    If the message is not accompanied by any errors and the migration process continues successfully, it can generally be considered a normal part of the data migration workflow. However, if you experience any issues, further investigation into the logs and system performance may be necessary.

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