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How To Fix STW_OL007 - Configuration error: Invalid class name &1 for method &2


SAP Error Message - Details

  • Message type: E = Error

  • Message class: STW_OL - Messages of the Object Layer (Stream Work Library)

  • Message number: 007

  • Message text: Configuration error: Invalid class name &1 for method &2

  • Show details Hide details
  • What causes this issue?

    The method class must be derived from &SYST-MSGV4&.

    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?

    Change the inheritance of the method class, or enter a correct class
    name in view cluster
    <DS:TRAN.CLB_PTYPE>CLBVC_PTYPE</>, subnode "API method versions".

    Procedure for System Administrators


    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message STW_OL007 - Configuration error: Invalid class name &1 for method &2 ?

    The SAP error message STW_OL007 indicates a configuration error related to an invalid class name for a method in the context of SAP's Object Linking (OL) framework. This error typically arises when there is a mismatch or misconfiguration in the class or method definitions within the SAP system.

    Cause:

    1. Invalid Class Name: The class name specified in the configuration does not exist or is incorrectly spelled.
    2. Method Issues: The method specified does not exist in the class or is not accessible due to visibility issues (e.g., it may be private).
    3. Transport Issues: If the configuration was transported from one system to another, the class or method may not have been included in the transport request.
    4. Namespace Issues: The class might be in a different namespace than expected, leading to the system not being able to find it.
    5. Missing Dependencies: The class may depend on other classes or components that are not available in the current environment.

    Solution:

    1. Verify Class Name: Check the class name specified in the configuration. Ensure that it is spelled correctly and exists in the system.

      • Use transaction SE80 or SE24 to search for the class.
    2. Check Method Existence: Ensure that the method specified in the error message exists in the class and is correctly defined.

      • Check the method's visibility (public, protected, private) to ensure it can be accessed as needed.
    3. Review Configuration: Go through the configuration settings where the class and method are defined. Make sure they are set up correctly.

    4. Transport Check: If the configuration was transported, ensure that all necessary objects (classes, methods) were included in the transport request and successfully imported into the target system.

    5. Namespace Verification: Confirm that the class is in the correct namespace and that there are no conflicts with other classes.

    6. Debugging: If the issue persists, consider debugging the code to trace where the error occurs. This can provide more context on why the class or method is not being recognized.

    7. Consult Documentation: Refer to SAP documentation or community forums for any known issues related to the specific class or method you are working with.

    Related Information:

    • Transaction Codes: Use SE80 (Object Navigator) and SE24 (Class Builder) to investigate classes and methods.
    • SAP Notes: Check SAP Notes for any known issues or patches related to the error message STW_OL007.
    • Community Forums: Engage with SAP community forums or support channels for additional insights or similar cases.

    By following these steps, you should be able to identify and resolve the configuration error associated with the STW_OL007 message.

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