How To Fix WXPA012 - Interface is completely defined


WXPA012 - Overview

  • Message type: E = Error

  • Message class: WXPA - MAP: External Applications

  • Message number: 012

  • Message text: Interface is completely defined

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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.

    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 WXPA012 - Interface is completely defined ?
    SAP Error Message:
    WXPA012 - Interface is completely defined
    
    
    Cause: This error occurs in the context of Web Dynpro ABAP development when you try to add an interface to a component controller, component, or window, but the interface is already fully implemented or completely defined in that context. Essentially, the system is indicating that the interface you are trying to add or redefine is already present and fully implemented, so you cannot add it again or redefine it further. Explanation: In Web Dynpro ABAP, interfaces define a contract of methods, events, and context nodes. When an interface is added to a component or controller, it must be implemented completely. If you attempt to add the same interface again or try to redefine it after it has been fully implemented, SAP throws this error. This prevents duplication and conflicts in interface implementation.
    Solution: Check if the interface is already added: Go to the component controller or the relevant controller/component where you are

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