How To Fix CNV_MBT_46123 - Use F4 for correct size categeory


SAP Error Message - Details

  • Message type: E = Error

  • Message class: CNV_MBT_46 - PCL message class

  • Message number: 123

  • Message text: Use F4 for correct size categeory

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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_MBT_46123 - Use F4 for correct size categeory ?

    The SAP error message CNV_MBT_46123 typically occurs during data migration processes, particularly when using the SAP Migration Tool (SAP LT or similar tools). This error indicates that there is an issue with the size category of a field or object being processed, and it suggests using the F4 help function to find the correct size category.

    Cause:

    The error is usually caused by one of the following reasons:

    1. Incorrect Size Category: The size category assigned to a field or object does not match the expected values defined in the system.
    2. Data Type Mismatch: The data type of the field being processed does not align with the expected data type in the target system.
    3. Configuration Issues: There may be configuration issues in the migration settings or mapping that lead to this error.

    Solution:

    To resolve the error, you can follow these steps:

    1. Use F4 Help: As suggested in the error message, use the F4 help function in the relevant field to view the valid size categories. This will help you select the correct size category that is compatible with the target system.

    2. Check Mapping: Review the mapping configuration in the migration tool to ensure that the size categories and data types are correctly defined. Make sure that the source and target fields are compatible.

    3. Adjust Data Types: If the data type of the source field does not match the target field, consider adjusting the data type in the source system or modifying the target field to accept the incoming data.

    4. Consult Documentation: Refer to the SAP documentation or migration guides related to the specific migration process you are using. This may provide additional insights into the expected configurations.

    5. Test with Sample Data: If possible, test the migration with a small set of sample data to identify if the issue persists. This can help isolate the problem.

    6. Seek Support: If the issue continues after trying the above steps, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific scenario.

    Related Information:

    • SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
    • Migration Tools: Familiarize yourself with the specific migration tools you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) as they may have unique configurations and requirements.
    • 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 CNV_MBT_46123 error in your SAP migration process.

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