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How To Fix DMC_GENERAL459 - Migration Object &1 has no calculated view; deletion not possible


SAP Error Message - Details

  • Message type: E = Error

  • Message class: DMC_GENERAL - MWB: General Messages

  • Message number: 459

  • Message text: Migration Object &1 has no calculated view; deletion not possible

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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 DMC_GENERAL459 - Migration Object &1 has no calculated view; deletion not possible ?

    The SAP error message DMC_GENERAL459 indicates that a migration object does not have a calculated view associated with it, which prevents the deletion of that migration object. This error typically arises in the context of data migration processes, particularly when using SAP Data Migration Cockpit or similar tools.

    Cause:

    1. Missing Calculated View: The migration object you are trying to delete does not have an associated calculated view. This could be due to:

      • The calculated view was never created.
      • The calculated view was deleted or not properly defined.
      • There may be a misconfiguration in the migration object setup.
    2. Data Integrity Constraints: The system may have constraints that prevent the deletion of migration objects that are still referenced or used in other processes.

    Solution:

    1. Check for Calculated View:

      • Verify if the calculated view exists for the migration object. You can do this by navigating to the relevant database or data model in your SAP system.
      • If the calculated view is missing, you may need to create it or restore it from a backup if it was deleted.
    2. Review Migration Object Configuration:

      • Ensure that the migration object is correctly configured and that all necessary components (including calculated views) are in place.
      • If you have access to the Data Migration Cockpit, check the settings and configurations for the migration object.
    3. Consult Documentation:

      • Refer to SAP documentation or guides related to the specific migration object you are working with. This may provide insights into the expected structure and dependencies.
    4. Check Dependencies:

      • Investigate if there are any dependencies or references to the migration object that might be preventing its deletion. Ensure that it is not being used in any active processes.
    5. Contact SAP Support:

      • If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They may provide specific guidance based on your system configuration and the context of the error.

    Related Information:

    • SAP Data Migration Cockpit: This tool is used for migrating data into SAP systems. Understanding how it works and its components can help in troubleshooting issues like this.
    • Calculated Views: These are database views that are defined in the SAP HANA database and are used to transform and aggregate data. Familiarity with creating and managing calculated views is essential for data migration tasks.
    • Error Logs: Check the error logs or transaction codes related to data migration for more detailed information about the error and its context.

    By following these steps, you should be able to identify the root cause of the error and take appropriate action to resolve it.

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