How To Fix OO339 - Method &1 &2: The method signature is inconsistent


OO339 - Overview

  • Message type: E = Error

  • Message class: OO - Class Builder/API

  • Message number: 339

  • Message text: Method &1 &2: The method signature is inconsistent

  • 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.


Smart SAP Assistant

  • What is the cause and solution for SAP error message OO339 - Method &1 &2: The method signature is inconsistent ?
    The SAP error message OO339, which states "Method &1 &2: The method signature is inconsistent," typically occurs in the context of Object-Oriented ABAP programming. This error indicates that there is a mismatch between the method signature defined in the class/interface and the implementation of that method.
    
    Cause: Mismatch in Parameters: The parameters defined in the method signature (in the class or interface) do not match the parameters in the method implementation. This can include differences in the number of parameters, their types, or their order. Return Type Discrepancy: The return type defined in the method signature does not match the return type in the implementation. Visibility Issues: If the method is defined as PUBLIC, PROTECTED, or PRIVATE in the class but is implemented with a different visibility, it can lead to this error. Inheritance Issues: If the method is being overridden in a subclass, the signature must match the parent class/interface exactly.
    Solution: Check Method Signature: Review

    Already have an account? Login here!




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


Related SAP Error Messages

Click the links below to see the following related messages:

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