How To Fix CNV_MBT127 - REPLACE: activity &1 in phase &2 by &3 ...


SAP Error Message - Details

  • Message type: E = Error

  • Message class: CNV_MBT - PCL message class

  • Message number: 127

  • Message text: REPLACE: activity &1 in phase &2 by &3 ...

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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_MBT127 - REPLACE: activity &1 in phase &2 by &3 ... ?

    The SAP error message CNV_MBT127 typically occurs during the execution of a migration or conversion process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with the replacement of an activity in a specific phase of the migration process.

    Cause:

    The error message CNV_MBT127 can be caused by several factors, including:

    1. Configuration Issues: There may be a misconfiguration in the migration settings or parameters that are being used.
    2. Missing or Incompatible Data: The data being processed may not meet the requirements for the specific activity or phase, leading to a failure in the replacement process.
    3. Custom Code or Enhancements: If there are custom developments or enhancements in the system, they may interfere with the standard migration activities.
    4. Version Compatibility: The version of the SAP system or the migration tool being used may not be compatible with the data or activities being processed.

    Solution:

    To resolve the CNV_MBT127 error, you can take the following steps:

    1. Check Logs: Review the detailed logs of the migration process to identify the specific activity and phase that is causing the issue. This can provide insights into what needs to be addressed.
    2. Validate Configuration: Ensure that all migration settings and configurations are correct and aligned with the requirements of the migration process.
    3. Data Validation: Check the data being migrated for completeness and compatibility. Ensure that all required fields are populated and that the data adheres to the expected formats.
    4. Review Custom Code: If there are custom developments, review them to ensure they do not conflict with the migration activities. You may need to temporarily disable or adjust them.
    5. Consult Documentation: Refer to the official SAP documentation for the migration tool you are using. There may be specific notes or guidelines related to the CNV_MBT127 error.
    6. SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide more detailed insights and help troubleshoot the specific error.

    Related Information:

    • SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
    • Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific migration tool you are using 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.

    By following these steps, you should be able to identify the root cause of the CNV_MBT127 error and implement a suitable solution.

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