Stop googling SAP errors. Use our Free Essentials plan instead - no credit card needed. Start Now

Close

How To Fix DMC_GENERAL456 - Migration Object &1 and &2 are incompatible; copy visibility not possible


SAP Error Message - Details

  • Message type: E = Error

  • Message class: DMC_GENERAL - MWB: General Messages

  • Message number: 456

  • Message text: Migration Object &1 and &2 are incompatible; copy visibility not possible

  • Show details Hide details


  • 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_GENERAL456 - Migration Object &1 and &2 are incompatible; copy visibility not possible ?

    The SAP error message DMC_GENERAL456 indicates that there is an incompatibility between two migration objects during a data migration process, specifically in the context of SAP Data Migration Cockpit (DMC). The message states that the migration objects identified by &1 and &2 cannot be copied due to this incompatibility.

    Cause:

    1. Incompatible Migration Objects: The two migration objects you are trying to work with may have different structures, data types, or relationships that prevent them from being copied or migrated together.
    2. Configuration Issues: There may be configuration settings in the migration project that do not align with the requirements of the migration objects.
    3. Version Mismatch: If the migration objects are from different versions of the source or target systems, this could lead to incompatibility.
    4. Data Model Changes: Changes in the data model between the source and target systems can also lead to incompatibility issues.

    Solution:

    1. Check Migration Object Compatibility: Review the documentation for the migration objects to ensure they are compatible. Look for any prerequisites or dependencies that need to be addressed.
    2. Adjust Migration Project Settings: Ensure that the settings in your migration project are correctly configured to handle the migration of the specific objects you are working with.
    3. Data Mapping: If the objects are fundamentally different, consider creating a mapping strategy that allows you to transform the data from one object to another.
    4. Consult SAP Notes: Check for any relevant SAP Notes or updates that may address known issues with the migration objects you are using.
    5. Testing: Conduct tests with smaller datasets to identify the specific incompatibility and adjust your migration strategy accordingly.

    Related Information:

    • SAP Data Migration Cockpit (DMC): This tool is used for migrating data from legacy systems to SAP S/4HANA or other SAP solutions. Understanding its functionalities and limitations is crucial for successful migrations.
    • Migration Object Documentation: Each migration object has specific documentation that outlines its structure, requirements, and compatibility with other objects.
    • SAP Community and Support: Engaging with the SAP Community or reaching out to SAP Support can provide additional insights and solutions from other users who may have encountered similar issues.

    By following these steps and understanding the context of the error, you should be able to resolve the incompatibility issue and proceed with your data migration successfully.

    • Do you have any question about this error?


      Upgrade now to chat with this error.


Instant HelpGet instant SAP help. Sign up for our Free Essentials Plan.


Related SAP Error Messages

Click the links below to see the following related messages:

Click on this link to search all SAP messages.


Rating
ERPlingo simplifies finding the accurate answers to SAP message errors. I now use every week. A must have tool for anyone working with SAP! Highly recommended!
Rate 1
Kent Bettisworth
Executive SAP Consultant