How To Fix OO628 - You can only instance non-abstract persistent classes in the protected s.

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 628

• Message text: You can only instance non-abstract persistent classes in the protected s.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO628 - You can only instance non-abstract persistent classes in the protected s. ?

  The SAP error message OO628, "You can only instance non-abstract persistent classes in the protected s," typically occurs in the context of ABAP Object-Oriented programming when you attempt to create an instance of an abstract class or when there is an issue with the class definition in the context of persistence.
  
  Cause:
  
  
  Abstract Class Instantiation: The most common cause of this error is trying to instantiate an abstract class. In ABAP, abstract classes cannot be instantiated directly; they are meant to be subclassed, and only concrete (non-abstract) classes can be instantiated.
  
  
  Incorrect Class Definition: If the class you are trying to instantiate is defined as abstract or if it does not meet the requirements for persistence (e.g., it lacks the necessary attributes or methods), this error can occur.
  
  
  Protected Constructor: If the constructor of the class is declared as protected, it means that the class cannot be instantiated outside of its own class or