How To Fix WD385 - Class '&' must have 'public' entered as the instance generation

WD385 - Overview

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 385

• Message text: Class '&' must have 'public' entered as the instance generation

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WD385 - Class '&' must have 'public' entered as the instance generation ?

  The SAP error message:
  WD385 Class '&' must have 'public' entered as the instance generation
  typically occurs in the context of Web Dynpro ABAP development.
  
  Cause
  This error arises when a Web Dynpro component or controller class is defined with an incorrect instance generation visibility. In Web Dynpro ABAP, certain classes (especially controllers and components) must be declared with public instance generation to allow the framework to instantiate them properly.
  If the class is set to protected or private instance generation, the Web Dynpro runtime cannot create instances of the class, leading to this error.
  
  Explanation of Terms
  
  Instance Generation: This refers to the visibility of the constructor of the class, i.e., who can create instances of the class.
  Public Instance Generation: The class can be instantiated from anywhere.
  Protected/Private Instance Generation: The class can only be instantiated from within the class itself or its subclasses (protected) or only within the class itself (private).
  
  
  Solution
  
  
  Change the instance generation of the