How To Fix WD393 - Function not allowed for step type chosen

WD393 - Overview

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 393

• Message text: Function not allowed for step type chosen

What causes this issue?

No maintenance interface exists for your chosen step type. This means
that not all step types can be configured in the workflow configuration
for example.,,

System Response

This is confirmed by the system with this message.

How to fix this error?

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

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 WD393 - Function not allowed for step type chosen ?

  The SAP error message WD393: "Function not allowed for step type chosen" typically occurs in the context of Web Dynpro ABAP when working with Web Dynpro component controllers, views, or window configurations involving navigation or step processing.
  
  Cause
  This error arises when you try to assign or use a function (action, navigation, or method) that is not permitted for the specific step type you have chosen in a Web Dynpro component or application. 
  In Web Dynpro, a step can be of different types, such as:
  
  View step: Represents a view in a window.
  Plug step: Represents a plug (navigation target).
  Custom step: A user-defined step type.
  
  Each step type supports only certain functions or operations. For example, you cannot assign navigation functions to a step type that does not support navigation, or you cannot assign UI element functions to a step that is not a view.
  Common scenarios causing this error:
  
  Assigning a navigation function to a step