How To Fix WPS01001 - Subordinate task list &1 &2 &3 could not be found

WPS01001 - Overview

• Message type: E = Error

• Message class: WPS01 - Revision Planning - Task List Hierarchy

• Message number: 001

• Message text: Subordinate task list &1 &2 &3 could not be found

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WPS01001 - Subordinate task list &1 &2 &3 could not be found ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WPS01001 Subordinate task list &1 &2 &3 could not be found
  
  
  Cause:
  This error occurs when the system tries to find a subordinate task list (a task list that is referenced within a superior or main task list) but cannot locate it in the system. The placeholders &1, &2, &3 typically represent:
  
  &1: Task list group
  &2: Task list group counter (or task list number)
  &3: Task list usage or task list type
  
  The subordinate task list is either missing, deleted, or not properly maintained in the system. This can happen if:
  
  The subordinate task list was never created.
  The subordinate task list was deleted or archived.
  There is a typo or incorrect reference in the superior task list.
  The task list is not released or not valid for the plant or usage.
  
  
  
  Solution:
  
  
  Check the subordinate task list existence:
  
  Use transaction IA05 or IA06 to search for the subordinate task list