How To Fix S_UNIFIED_CON047 - Class &1 is abstract

SAP Error Message - Details

• Message type: E = Error

• Message class: S_UNIFIED_CON - Message Class for Unified Connectivity

• Message number: 047

• Message text: Class &1 is abstract

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message S_UNIFIED_CON047 - Class &1 is abstract ?

  The SAP error message S_UNIFIED_CON047 with the description "Class &1 is abstract" typically occurs when there is an attempt to instantiate an abstract class in ABAP (Advanced Business Application Programming). Abstract classes in ABAP are designed to serve as base classes and cannot be instantiated directly. Instead, they are meant to be subclassed, and the subclasses should implement the abstract methods defined in the abstract class.
  Cause:
  
  Direct Instantiation: The error arises when the code tries to create an instance of an abstract class using the CREATE OBJECT statement.
  Missing Implementation: If a subclass does not implement all the abstract methods defined in the abstract class, it may lead to confusion about instantiation.
  Incorrect Class Reference: The code may be referencing the abstract class instead of a concrete subclass.
  
  Solution:
  
  Check Class Definition: Verify that the class you are trying to instantiate is indeed abstract. You can do this by checking the class definition in the ABAP Workbench (SE80 or SE24).
  Use a Concrete Subclass: Instead of trying to instantiate the abstract class, instantiate a concrete subclass that implements the abstract methods. For example:
  DATA: lo_instance TYPE REF TO concrete_subclass.
  CREATE OBJECT lo_instance.
  
  Implement Missing Methods: If you are working with a subclass that is supposed to implement the abstract methods, ensure that all abstract methods are properly implemented.
  Review Code Logic: Ensure that the logic in your code is correctly referencing the intended class. If you need to use an abstract class, make sure to do so in a context where it is being subclassed.
  
  Related Information:
  
  Abstract Classes: In ABAP, an abstract class is defined using the ABSTRACT keyword. It can contain abstract methods (methods without implementation) that must be implemented in subclasses.
  Inheritance: Understand the concept of inheritance in ABAP, as it is crucial for working with abstract classes and their subclasses.
  Debugging: Use the ABAP debugger to trace the point in the code where the error occurs. This can help identify if the wrong class is being instantiated.
  
  By following these steps, you should be able to resolve the error message S_UNIFIED_CON047 and ensure that your ABAP code functions correctly.