How To Fix AQ024 - Class & does not implement interface &


SAP Error Message - Details

  • Message type: E = Error

  • Message class: AQ - Message texts for SAP Query

  • Message number: 024

  • Message text: Class & does not implement interface &

  • 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 AQ024 - Class & does not implement interface & ?

    The SAP error message AQ024 typically indicates that there is an issue with the implementation of an interface in the ABAP class. This error occurs when a class is expected to implement a certain interface, but it does not do so correctly. Here’s a breakdown of the cause, potential solutions, and related information:

    Cause:

    1. Missing Interface Implementation: The class defined does not implement all the methods required by the specified interface.
    2. Incorrect Class Definition: The class may not be defined correctly in the ABAP Dictionary or may not be activated.
    3. Changes in Interface: If the interface has been modified (e.g., methods added or changed) and the class has not been updated accordingly, this error can occur.
    4. Typographical Errors: There may be a typo in the class name or interface name in the implementation.

    Solution:

    1. Check Interface Implementation:

      • Go to the class definition in the ABAP Workbench (transaction SE80 or SE24).
      • Ensure that the class implements the specified interface correctly.
      • Verify that all methods defined in the interface are implemented in the class.
    2. Activate the Class:

      • If you have made changes to the class or interface, ensure that both are activated. You can do this by selecting the class and clicking on the "Activate" button.
    3. Update Class:

      • If the interface has changed, update the class to implement any new methods or changes in the interface.
    4. Check for Typos:

      • Double-check the names of the class and interface for any typographical errors.
    5. Recompile:

      • Sometimes recompiling the class can resolve issues. You can do this by using the "Check" and "Activate" options in the ABAP Workbench.
    6. Review Documentation:

      • If you are working with standard SAP classes or interfaces, refer to the SAP documentation to ensure you are following the correct implementation guidelines.

    Related Information:

    • ABAP Workbench (SE80): This is the primary tool for managing ABAP programs, classes, and interfaces.
    • SE24: This transaction is specifically for managing ABAP classes.
    • SE11: This transaction can be used to check the definitions of interfaces.
    • SAP Notes: Check for any relevant SAP Notes that might address specific issues related to the AQ024 error.

    If the problem persists after following these steps, consider reaching out to your SAP support team or consulting the SAP Community for further assistance.

    • Do you have any question about this error?


      Upgrade now to chat with this error.


Instant HelpGet instant SAP help. Start your 7-day free trial now.


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