How To Fix WD398 - Task '&' is used in multistep task '&'

WD398 - Overview

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 398

• Message text: Task '&' is used in multistep task '&'

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

WD398 - Details

• Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WD398 Task '&' is used in multistep task '&'
  
  
  Cause:
  This error occurs in Web Dynpro when a task is assigned incorrectly within a multistep task configuration. Specifically, the message indicates that a task (identified by the first placeholder '&') is being used inside a multistep task (identified by the second placeholder '&'), but this usage is not allowed or is inconsistent.
  In Web Dynpro, a multistep task is a task that contains multiple steps (subtasks). Each step is itself a task. The error typically arises when:
  
  A task that is already part of a multistep task is being reused or assigned incorrectly.
  There is a circular reference or duplication of tasks within the multistep task.
  The task structure violates the rules of task composition in the Web Dynpro component.
  
  
  Explanation:
  
  Task '&': The specific task name or ID that is causing the problem.
  Multistep task '&': The