How To Fix GENIL_WCF171 - Object &3: Substituted handler class &1 has to be derived from &2

GENIL_WCF171 - Overview

• Message type: E = Error

• Message class: GENIL_WCF - Messages for genIL Model Editor

• Message number: 171

• Message text: Object &3: Substituted handler class &1 has to be derived from &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GENIL_WCF171 - Object &3: Substituted handler class &1 has to be derived from &2 ?

  The SAP error message GENIL_WCF171 indicates that there is an issue with the handler class in the context of the Generic Interaction Layer (GENIL) and the Web Client Framework (WCF). Specifically, the error message states that the substituted handler class (&1) must be derived from a specific base class (&2), and it is associated with a particular object (&3).
  
  Cause:
  This error typically occurs due to one of the following reasons:
  
  Incorrect Class Implementation: The substituted handler class does not inherit from the required base class. This can happen if the developer has created a new handler class but has not properly extended the correct base class.
  
  Configuration Issues: There may be a misconfiguration in the GENIL model or the WCF configuration that points to the wrong handler class.
  Transport Issues: If the handler class was recently transported from another system, it may not have been properly imported or activated in the target system.
  
  
  Solution:
  To resolve