How To Fix CLB162 - Implementation class &1 must implement/be derived from &2

CLB162 - Overview

• Message type: E = Error

• Message class: CLB - SAIL: Common messages

• Message number: 162

• Message text: Implementation class &1 must implement/be derived from &2

What causes this issue?

A class with the name &syst-msgv1& has been read from the customizing;
but for this entry it is expected that the class inherits from the base
class/interface &syst-msgv2&.
This is not the case for &syst-msgv1&.

System Response

The method in progress will be cancelled.

How to fix this error?

Check if the customizing is correct, that is if the class which caused
the error has been entered at the right place.
If yes check whether the class inherits from/implements &syst-msgv2&.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CLB162 - Implementation class &1 must implement/be derived from &2 ?

  The SAP error message CLB162 indicates that there is an issue with the implementation of a class in the ABAP programming environment. Specifically, it means that the implementation class you are trying to use does not correctly implement or derive from the specified base class or interface.
  
  Cause:
  
  Incorrect Class Declaration: The class you are trying to implement does not properly declare that it implements or inherits from the required base class or interface.
  Missing Implementation: The class may be missing the necessary methods or attributes that are defined in the base class or interface.
  Typographical Errors: There may be typographical errors in the class name or the base class/interface name.
  Inconsistent Class Hierarchy: The class hierarchy may not be set up correctly, leading to inconsistencies in the implementation.
  
  
  Solution:
  
  
  Check Class Declaration: Ensure that the class declaration includes the correct base class or interface. For example:
  CLASS your_class_name DEFINITION
    INHERITING FROM base_class_name
    ...
  ENDCLASS.
  or
  CLASS your_class_name DEFINITION