Black Friday is ending this Friday! 40% off with coupon CYBER40 - Sign up here

Close

How To Fix OO_SOURCE_BASED016 - The component &1 has been declared multiple times


OO_SOURCE_BASED016 - Overview

  • Message type: E = Error

  • Message class: OO_SOURCE_BASED - WB - Class Builder - Messages for the source-b. Class Editor

  • Message number: 016

  • Message text: The component &1 has been declared multiple times

  • Show details Hide details


  • 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.



    What else can you do?

    First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

    Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

    You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.


OO_SOURCE_BASED016 - Details

  • The SAP error message OO_SOURCE_BASED016 indicates that a component has been declared multiple times in the context of ABAP Object-Oriented programming. This typically occurs when there are duplicate declarations of a component (such as a method, attribute, or event) within a class or interface, or when there are conflicting declarations in inherited classes.
    
    Cause: Duplicate Declarations: The most common cause is that the same component (method, attribute, etc.) has been declared more than once in the same class or in a class hierarchy. Inheritance Conflicts: If a class inherits from multiple superclasses that declare the same component, this can lead to ambiguity and result in this error. Incorrect Use of Interfaces: If an interface is implemented multiple times in a class or if there are conflicting definitions in the interfaces being implemented.
    Solution: Check Declarations: Review the class or interface definition to ensure that each component is declared only once. Remove any duplicate declarations. Review Inheritance: If

    Already have an account? Login here!




Instant HelpGet instant SAP help. Sign up for our Free Essentials Plan.


OO_SOURCE_BASED016 - Related SAP Errors

Click on this link to search all SAP messages.


Rating
ERPlingo's SAP support assistant is amazing. Saves me countless hours trying to solve complex SAP issues myself. It's a real game changer!
Rate 1
Thomas Michael
SAP Consultant, Author & Speaker