How To Fix PMMO_BASIS002 - Class &1 is not a subclass of &2

PMMO_BASIS002 - Overview

• Message type: E = Error

• Message class: PMMO_BASIS - Messages for PMMO Basis Objects

• Message number: 002

• Message text: Class &1 is not a subclass of &2

What causes this issue?

Class &v1& is not a subclass of &v2&.

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?

Use input help to select a valid 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 PMMO_BASIS002 - Class &1 is not a subclass of &2 ?

  The SAP error message PMMO_BASIS002 indicates that there is a problem with class inheritance in the context of the SAP system. Specifically, the error message states that a certain class (denoted as &1) is not a subclass of another class (denoted as &2). This typically occurs in the context of object-oriented programming within SAP, particularly when dealing with Business Object Processing (BOPF) or similar frameworks.
  
  Cause:
  
  Incorrect Class Hierarchy: The class &1 is expected to inherit from class &2, but it does not. This could be due to a misconfiguration or an error in the class definition.
  Typographical Errors: There may be a typo in the class name or in the definition of the class hierarchy.
  Changes in Class Structure: If the class structure has been modified (e.g., a class was deleted or renamed), it could lead to this error.
  Transport Issues: If the classes were transported from one system to another, there might be