How To Fix WPS01115 - Parent task list, key &1 / ext. ID &2 already exists

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 115

• Message text: Parent task list, key &1 / ext. ID &2 already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WPS01115 - Parent task list, key &1 / ext. ID &2 already exists ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WPS01115 - Parent task list, key &1 / ext. ID &2 already exists
  
  
  Cause:
  This error occurs when you try to create or copy a parent task list with a key and external ID that already exist in the system. In SAP Plant Maintenance (PM) or Production Planning (PP), task lists are used to define sequences of operations or maintenance tasks. Each task list is uniquely identified by a combination of:
  
  Task list type
  Group (key)
  Group counter (external ID)
  
  If you attempt to create a new parent task list with the same key and external ID as an existing one, the system throws this error to prevent duplicate entries.
  
  Explanation:
  
  Parent task list: A task list that can have multiple sub-task lists or operations.
  Key &1: The task list group or key you are trying to create.
  Ext. ID &2: The external ID or group counter for the