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How To Fix V50R055 - Internal error within BAPI interface: The interface ID is not unique


SAP Error Message - Details

  • Message type: E = Error

  • Message class: V50R - Extended Collective Processing for Delivery Creation

  • Message number: 055

  • Message text: Internal error within BAPI interface: The interface ID is not unique

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  • What causes this issue?

    Internal error in BAPI interface: interface ID not unique.
    When creating deliveries for a preceding document from another system,
    the request line identification in the <ZH>REQUEST</> segment of the
    relevant BAPI interface is not unique.
    A value in the REQUEST-ID field must only occur once in the entire
    REQUEST table.
    This must be ensured by the caller, since this must not be changed in
    the BAPI. It must not be changed, because this ID is used to create a
    link between the requested delivery item and the error log.

    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?

    Procedure for System Administrators


    Error message extract from SAP system. Copyright SAP SE.


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