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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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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:
- 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.
- 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.
- 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:
- 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.
- Use Concrete Subclass: Modify the code to instantiate a concrete subclass of the abstract class instead of the abstract class itself.
- Review Configuration: If the error arises from a configuration setting, ensure that the correct class is being referenced in the configuration.
- Debugging: If you have access to the code, use debugging tools to trace where the instantiation is happening and correct it.
- Consult Documentation: Refer to SAP documentation or the specific module documentation to understand the intended use of the class and its subclasses.
Related Information:
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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