How To Fix OO804 - Class &1 is abstract and cannot be instantiated

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 804

• Message text: Class &1 is abstract and cannot be instantiated

What causes this issue?

The class is flagged as abstract. Abstract classes cannot be
instantiated, but only their non-abstract subclasses.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Test a non-abstract subclass.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OO804 - Class &1 is abstract and cannot be instantiated ?

  The SAP error message OO804 indicates that you are trying to instantiate an abstract class in ABAP (Advanced Business Application Programming). An abstract class is a class that cannot be instantiated directly; it is meant to be a base class that other classes can inherit from and implement its abstract methods.
  
  Cause:
  The error occurs when:
  
  You attempt to create an instance of an abstract class using the CREATE OBJECT statement.
  The class you are trying to instantiate is defined as abstract in its declaration.
  
  
  Solution:
  To resolve this error, you need to do the following:
  
  
  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 directly, you should instantiate a concrete subclass that inherits from the abstract class. The subclass should implement all the