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How To Fix CNV_MBT538 - Data selection for fill headers started. For log see extended monitor.


SAP Error Message - Details

  • Message type: E = Error

  • Message class: CNV_MBT - PCL message class

  • Message number: 538

  • Message text: Data selection for fill headers started. For log see extended monitor.

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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.



    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 CNV_MBT538 - Data selection for fill headers started. For log see extended monitor. ?

    The SAP error message CNV_MBT538 typically relates to issues encountered during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This specific message indicates that the data selection for filling headers has started, but it may also imply that there are issues or warnings that need to be addressed.

    Possible Causes:

    1. Data Quality Issues: The source data may have inconsistencies, missing values, or invalid formats that prevent successful processing.
    2. Configuration Errors: Incorrect configuration settings in the migration cockpit or the data migration project can lead to errors.
    3. Authorization Issues: The user executing the migration may not have the necessary authorizations to access certain data or perform specific actions.
    4. Technical Errors: There may be underlying technical issues, such as database connectivity problems or system performance issues.

    Solutions:

    1. Check Logs: Review the extended monitor logs for detailed error messages or warnings that can provide insights into what went wrong. This can help identify specific records or data issues.
    2. Data Validation: Ensure that the source data is clean and meets the required format and consistency standards. Use data validation tools to identify and correct issues.
    3. Configuration Review: Double-check the configuration settings in the migration cockpit to ensure they are set up correctly for the data being migrated.
    4. User Authorizations: Verify that the user has the necessary authorizations to perform the migration tasks. Adjust roles and permissions as needed.
    5. System Performance: Monitor system performance and resource usage during the migration process. If the system is under heavy load, consider scheduling the migration during off-peak hours.
    6. Consult Documentation: Refer to SAP documentation or notes related to the specific migration process you are using. There may be known issues or additional steps required.

    Related Information:

    • SAP Notes: Check for any relevant SAP Notes that may address known issues related to the CNV_MBT538 message.
    • Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit for best practices and troubleshooting tips.
    • Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.

    If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.

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