How To Fix GENIL_WCF170 - Relation &3: Substituted handler class &1 has to be derived from &2

GENIL_WCF170 - Overview

• Message type: E = Error

• Message class: GENIL_WCF - Messages for genIL Model Editor

• Message number: 170

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

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message GENIL_WCF170 - Relation &3: Substituted handler class &1 has to be derived from &2 ?

  The SAP error message GENIL_WCF170 indicates that there is an issue with the handler class in the context of the SAP Generic Interaction Layer (GENIL) and the Web Client Framework (WCF). Specifically, the error message states that a substituted handler class must be derived from a specific base class.
  
  Cause:
  This error typically occurs when:
  
  A custom handler class is defined that does not properly extend or inherit from the required base class.
  There may be a mismatch in the class hierarchy, meaning that the custom class does not follow the expected inheritance structure.
  The configuration of the handler in the application may be incorrect, leading to the system not recognizing the class as a valid substitute.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Class Inheritance:
  
  Verify that the custom handler class (&1) is correctly derived from the required base class (&2). You can do this by checking the class definition in the ABAP Workbench