How To Fix DMC_MD_XSD003 - Duplicate field: field &1 already exists in BO &2 and structure &3


DMC_MD_XSD003 - Overview

  • Message type: E = Error

  • Message class: DMC_MD_XSD - XSD messages

  • Message number: 003

  • Message text: Duplicate field: field &1 already exists in BO &2 and structure &3

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  • Self-Explanatory Message

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    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.

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Smart SAP Assistant

  • What is the cause and solution for SAP error message DMC_MD_XSD003 - Duplicate field: field &1 already exists in BO &2 and structure &3 ?
    The SAP error message DMC_MD_XSD003 indicates that there is a duplicate field in a Business Object (BO) or structure within the Data Migration Cockpit (DMC) or related data modeling tools. This error typically arises when you are trying to define or import a data structure that contains fields with the same name, which is not allowed.
    
    Cause: Duplicate Field Names: The most common cause of this error is that the same field name has been defined more than once in the same Business Object or structure. Importing Data Models: If you are importing data models or structures from external sources, there may be conflicts due to naming conventions or errors in the source data. Manual Configuration Errors: If you are manually configuring the Business Object or structure, it is possible to accidentally create duplicate fields.
    Solution: Check Field Definitions: Review the field definitions in the Business Object or structure mentioned in the error message. Ensure that

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