How To Fix CNV_DMC_MC018 - A namespace prefix can contain a maximum of 10 characters


SAP Error Message - Details

  • Message type: E = Error

  • Message class: CNV_DMC_MC - Migration Object Modeler

  • Message number: 018

  • Message text: A namespace prefix can contain a maximum of 10 characters

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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_MC018 - A namespace prefix can contain a maximum of 10 characters ?

    The SAP error message CNV_DMC_MC018 indicates that a namespace prefix you are trying to use exceeds the maximum allowed length of 10 characters. This error typically occurs in the context of data migration or conversion processes, particularly when using the SAP Data Migration Cockpit or similar tools.

    Cause:

    The error is caused by the use of a namespace prefix that is longer than the allowed limit of 10 characters. In SAP, namespace prefixes are used to uniquely identify objects, and they must adhere to specific naming conventions and length restrictions.

    Solution:

    To resolve this error, you should:

    1. Check the Namespace Prefix: Review the namespace prefix you are using in your configuration or data migration settings. Ensure that it does not exceed 10 characters.

    2. Modify the Prefix: If the prefix is longer than 10 characters, shorten it to comply with the naming convention. You can do this by:

      • Abbreviating the prefix.
      • Using a different naming convention that fits within the character limit.
    3. Update Configuration: After modifying the prefix, update any relevant configuration settings or mappings in your data migration project to reflect the new prefix.

    4. Test the Changes: After making the changes, re-run the migration or conversion process to ensure that the error is resolved.

    Related Information:

    • Namespace Conventions: Familiarize yourself with SAP's naming conventions for namespaces, which typically include guidelines on how to create valid prefixes.
    • Documentation: Refer to the official SAP documentation for the Data Migration Cockpit or the specific tool you are using for additional details on naming conventions and error handling.
    • SAP Community: If you continue to experience issues, consider reaching out to the SAP Community or forums for additional support and insights from other users who may have encountered similar issues.

    By following these steps, you should be able to resolve the CNV_DMC_MC018 error and proceed with your data migration or conversion tasks.

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