How To Fix CNV_DMC_SIN433 - Wrong Class Type &1 is not supported.


SAP Error Message - Details

  • Message type: E = Error

  • Message class: CNV_DMC_SIN - Messages for s-innovations migration

  • Message number: 433

  • Message text: Wrong Class Type &1 is not supported.

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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 CNV_DMC_SIN433 - Wrong Class Type &1 is not supported. ?

    The SAP error message CNV_DMC_SIN433 with the description "Wrong Class Type &1 is not supported" typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that the system encountered a class type that is not recognized or supported in the context of the operation being performed.

    Cause:

    1. Unsupported Class Type: The class type specified in the error message (&1) is not valid for the operation you are trying to perform. This could be due to a mismatch between the data being migrated and the expected data structure in the target system.
    2. Configuration Issues: There may be configuration issues in the source or target system that lead to the system not recognizing the class type.
    3. Data Model Changes: If there have been changes in the data model (e.g., during an upgrade or migration), the class type may no longer be valid.
    4. Incorrect Mapping: The mapping of fields between the source and target systems may be incorrect, leading to the use of an unsupported class type.

    Solution:

    1. Check Class Type: Verify the class type specified in the error message. Ensure that it is a valid class type in the target system.
    2. Review Data Mapping: Check the mapping configuration in the migration tool. Ensure that the fields are correctly mapped and that the class types are compatible.
    3. Update Configuration: If there are configuration settings related to class types in the source or target system, review and update them as necessary.
    4. Consult Documentation: Refer to the SAP documentation for the Data Migration Cockpit or the specific migration tool you are using to ensure that you are following the correct procedures and using supported class types.
    5. Test with Sample Data: If possible, test the migration with a smaller set of sample data to isolate the issue and confirm that the class types are being handled correctly.
    6. Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. Provide them with the error details and any relevant context.

    Related Information:

    • SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on data migration issues.
    • Migration Cockpit Documentation: Review the official SAP documentation for the Data Migration Cockpit 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 cause of the error and implement a solution to resolve it.

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