How To Fix USMD1231 - Data model &1, entity type &2: Namespace &3 has an error


SAP Error Message - Details

  • Message type: E = Error

  • Message class: USMD1 - Datenmodel

  • Message number: 231

  • Message text: Data model &1, entity type &2: Namespace &3 has an error

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  • What causes this issue?

    The namespace you entered is not valid.
    You can find the namespaces in database table TRNSPACET. SAP Note 105132
    explains how to reserve a namespace.

    System Response

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

    How to fix this error?

    If you do not want to use a customer-specific namespace, use /MDG/. If
    you do not enter a namespace, /MDG/ is used automatically.

    Procedure for System Administrators


    Error message extract from SAP system. Copyright SAP SE.


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