How To Fix 29720 - Class & & does not exist


SAP Error Message - Details

  • Message type: E = Error

  • Message class: 29 - Bills of Material

  • Message number: 720

  • Message text: Class & & does not exist

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  • 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.



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Smart SAP Assistant

  • What is the cause and solution for SAP error message 29720 - Class & & does not exist ?

    The SAP error message "29720 Class & & does not exist" typically indicates that the system is trying to access a class that has not been defined or is not available in the current context. This error can occur in various scenarios, such as when working with ABAP programs, custom developments, or when trying to access certain functionalities in SAP.

    Cause:

    1. Missing Class Definition: The class that is being referenced in the code does not exist in the system.
    2. Incorrect Class Name: There may be a typo or incorrect naming in the class reference.
    3. Transport Issues: If the class was recently transported from another system, it may not have been transported correctly or may not exist in the target system.
    4. Authorization Issues: The user may not have the necessary authorizations to access the class.
    5. Namespace Issues: The class might be in a different namespace that is not accessible in the current context.

    Solution:

    1. Check Class Existence: Use transaction code SE24 (Class Builder) to check if the class exists. If it does not, you may need to create it or transport it from another system.
    2. Verify Class Name: Double-check the spelling and naming conventions used in the code to ensure that the class name is correct.
    3. Transport Management: If the class is supposed to exist but does not, check the transport logs to ensure that the transport containing the class was successful.
    4. Authorization Check: Ensure that the user has the necessary authorizations to access the class. You can check this using transaction SU53 after the error occurs.
    5. Namespace Configuration: If the class is in a different namespace, ensure that the namespace is properly configured and accessible in your current environment.

    Related Information:

    • Transaction Codes:
      • SE24: Class Builder
      • SE80: Object Navigator
      • SU53: Authorization Check
    • Documentation: Refer to SAP Help documentation for more details on class management and error handling.
    • Debugging: If you have access to the ABAP code, you can use the debugger to trace where the error is occurring and gather more context about the class being referenced.

    If the issue persists after checking the above points, it may be helpful to consult with your SAP Basis or development team for further investigation.

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