How To Fix CNV_MBT429 - No input field filled


SAP Error Message - Details

  • Message type: E = Error

  • Message class: CNV_MBT - PCL message class

  • Message number: 429

  • Message text: No input field filled

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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 CNV_MBT429 - No input field filled ?

    The SAP error message CNV_MBT429: No input field filled typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system expects certain input fields to be filled, but they are empty or not populated correctly.

    Cause:

    1. Missing Data: The input fields required for the migration process are not filled in the source data or the mapping configuration.
    2. Incorrect Mapping: The mapping between the source and target fields may not be set up correctly, leading to empty fields in the migration process.
    3. Data Format Issues: The data format in the source file may not match the expected format in the target system, causing the fields to be interpreted as empty.
    4. Configuration Errors: There may be issues in the configuration of the migration cockpit or the specific migration object being used.

    Solution:

    1. Check Input Data: Review the source data to ensure that all required fields are populated. Make sure that there are no empty fields that should contain data.
    2. Review Mapping Configuration: Verify the mapping configuration in the migration cockpit. Ensure that all necessary fields are correctly mapped from the source to the target.
    3. Data Validation: Validate the data format and ensure that it meets the requirements of the target system. Correct any discrepancies in data types or formats.
    4. Consult Documentation: Refer to the SAP documentation for the specific migration object you are using. This documentation often provides details on required fields and data formats.
    5. Error Logs: Check the error logs for more detailed information about which specific fields are causing the issue. This can help pinpoint the exact problem.
    6. Test Migration: If possible, perform a test migration with a smaller dataset to identify and resolve issues before executing a full migration.

    Related Information:

    • SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
    • SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
    • Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may provide insights into common errors and their resolutions.

    By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.

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