How To Fix MDC_ADAPTER010 - Class &1 is an abstract class


SAP Error Message - Details

  • Message type: E = Error

  • Message class: MDC_ADAPTER - Messages for generic adapter implementations

  • Message number: 010

  • Message text: Class &1 is an abstract class

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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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    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.

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Smart SAP Assistant

  • What is the cause and solution for SAP error message MDC_ADAPTER010 - Class &1 is an abstract class ?

    The SAP error message MDC_ADAPTER010 with the description "Class &1 is an abstract class" typically indicates that the system is trying to instantiate or use an abstract class directly, which is not allowed in object-oriented programming. Abstract classes are meant to be base classes that cannot be instantiated on their own; they are designed to be subclassed, and their abstract methods must be implemented in derived classes.

    Cause:

    1. Direct Instantiation: The error occurs when there is an attempt to create an instance of an abstract class instead of a concrete subclass that implements the abstract methods.
    2. Configuration Issues: There may be a misconfiguration in the system where the wrong class is being referenced or used in the context of the operation.
    3. Code Issues: There could be a bug in the custom code or in the implementation of the class that is trying to use the abstract class.

    Solution:

    1. Check Class Definition: Review the class definition of the class mentioned in the error message (replace &1 with the actual class name). Ensure that it is indeed an abstract class and check its subclasses.
    2. Use Concrete Subclass: Modify the code to instantiate a concrete subclass of the abstract class instead of the abstract class itself.
    3. Review Configuration: If the error arises from a configuration setting, ensure that the correct class is being referenced in the configuration.
    4. Debugging: If you have access to the code, use debugging tools to trace where the instantiation is happening and correct it.
    5. Consult Documentation: Refer to SAP documentation or the specific module documentation to understand the intended use of the class and its subclasses.

    Related Information:

    • Abstract Classes: In object-oriented programming, an abstract class is a class that cannot be instantiated on its own and is meant to be subclassed. It can contain abstract methods (methods without implementation) that must be implemented by subclasses.
    • SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, SAP releases notes that provide solutions or workarounds for specific error messages.
    • Community Forums: Consider searching or posting in SAP community forums or support channels for additional insights or similar experiences from other users.

    If you continue to face issues after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with a developer who has experience with the specific module or codebase you are working with.

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