How To Fix CNV20551231 - CNVFIELDS: &1, &2: read-only was initialized and exclude indicator set


SAP Error Message - Details

  • Message type: E = Error

  • Message class: CNV20551 - message for package 20551 (company code delete)

  • Message number: 231

  • Message text: CNVFIELDS: &1, &2: read-only was initialized and exclude indicator set

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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 CNV20551231 - CNVFIELDS: &1, &2: read-only was initialized and exclude indicator set ?

    The SAP error message CNV20551231, which pertains to the CNV_FIELDS component, indicates that a field has been initialized as read-only and has an exclude indicator set. This typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or the SAP S/4HANA Migration Cockpit.

    Cause:

    1. Read-Only Field: The field in question is marked as read-only, meaning that it cannot be modified during the data migration process.
    2. Exclude Indicator: The exclude indicator being set means that the field is intentionally excluded from the data processing or migration logic, which can lead to conflicts if the system attempts to read or write to it.

    Solution:

    1. Check Field Configuration: Review the configuration of the field in the source and target systems. Ensure that the field is not set to read-only if it needs to be modified during the migration.
    2. Adjust Exclude Indicator: If the field is necessary for the migration, you may need to adjust the exclude indicator settings to allow it to be processed.
    3. Review Migration Logic: Examine the migration logic or mapping to ensure that the field is being handled correctly. If it should be included, make sure that the logic reflects that.
    4. Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to understand how to handle read-only fields and exclude indicators.
    5. Testing: After making changes, conduct thorough testing to ensure that the migration process works as expected without triggering the error.

    Related Information:

    • SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on handling read-only fields during migration.
    • Migration Tools: Familiarize yourself with the specific migration tools being used (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) and their handling of field attributes.
    • Community Forums: Engage with SAP community forums or support channels for additional insights or similar experiences from other users.

    If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.

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