How To Fix CNV_DMC_UI_FW031 - Object must be of type &1


SAP Error Message - Details

  • Message type: E = Error

  • Message class: CNV_DMC_UI_FW - DMC UI Framework

  • Message number: 031

  • Message text: Object must be of type &1

  • 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 CNV_DMC_UI_FW031 - Object must be of type &1 ?

    The SAP error message CNV_DMC_UI_FW031, which states "Object must be of type &1," typically occurs in the context of data migration or conversion processes using the SAP Data Migration Cockpit (DMC). This error indicates that the system expected an object of a specific type but received an object of a different type.

    Cause:

    1. Type Mismatch: The most common cause of this error is that the object being processed does not match the expected type defined in the migration or conversion configuration. This could happen if:

      • The wrong object type is selected in the migration cockpit.
      • The data structure or mapping is incorrectly defined.
      • There is a mismatch between the source and target data types.
    2. Configuration Issues: If the migration project is not properly configured, it may lead to this error. This includes incorrect settings in the migration object or issues with the data model.

    3. Data Quality Issues: If the data being migrated contains unexpected values or formats that do not conform to the expected type, this error may arise.

    Solution:

    1. Check Object Type: Verify that the object you are trying to process matches the expected type. Review the migration object configuration to ensure that the correct object type is being used.

    2. Review Mapping and Configuration: Go through the mapping and configuration settings in the Data Migration Cockpit. Ensure that all mappings are correctly defined and that the source and target structures align.

    3. Data Validation: Validate the data being migrated to ensure it conforms to the expected formats and types. Cleanse the data if necessary to remove any inconsistencies.

    4. Consult Documentation: Refer to the SAP documentation for the Data Migration Cockpit to understand the expected object types and configurations. This can provide insights into what might be going wrong.

    5. Debugging: If the issue persists, consider enabling debugging or logging to get more detailed information about where the error is occurring. This can help identify the specific object or data causing the issue.

    6. SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurs and any relevant configuration settings.

    Related Information:

    • SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
    • SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
    • Training and Documentation: Familiarize yourself with the SAP Data Migration Cockpit through training materials and official documentation to better understand its functionalities and limitations.

    By following these steps, you should be able to identify the cause of the CNV_DMC_UI_FW031 error and implement a suitable solution.

    • Do you have any question about this error?


      Upgrade now to chat with this error.


Instant HelpGet instant SAP help. Start your 7-day free trial now.


Related SAP Error Messages

Click the links below to see the following related messages:

Click on this link to search all SAP messages.


Rating
The AI Support Assistant is great. It provides comprehensive assistance even on the most difficult issues. I highly recommend this service.
Rate 1
John Jordan
SAP Consultant & Author