How To Fix WPS01002 - Planning plant &1 differs from plant &2 of subordinate task list

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 002

• Message text: Planning plant &1 differs from plant &2 of subordinate task list

Self-Explanatory Message

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• What is the cause and solution for SAP error message WPS01002 - Planning plant &1 differs from plant &2 of subordinate task list ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WPS01002: Planning plant &1 differs from plant &2 of subordinate task list
  
  Cause:
  This error occurs during the creation or change of a task list (routing) in SAP when the planning plant of the main task list differs from the plant assigned to one or more subordinate task lists (sub-operations or components). In SAP, the planning plant of a task list and its subordinate task lists must be consistent to ensure proper integration and planning.
  
  The planning plant is the plant where the task list is planned and maintained.
  The subordinate task list is a task list assigned to a component or operation within the main task list.
  If the subordinate task list belongs to a different plant than the main task list's planning plant, SAP raises this error.
  
  
  When does it occur?
  
  When assigning a subordinate task list to a main task list, and the plants do not match.
  When copying or creating task lists with subordinate task lists from different plants.
  During maintenance or change of routings/task lists involving multiple plants.
  
  
  Solution:
  
  
  Check the plants involved:
  
  Verify the planning plant of the main task list.
  Check the plant assigned to the subordinate task list(s).
  
  
  
  Align the plants:
  
  Ensure that the subordinate task list belongs to the same plant as the main task list's planning plant.
  If the subordinate task list is from a different plant, either:
  
  Change the subordinate task list's plant to match the main task list's planning plant (if business process allows).
  Or create a new subordinate task list in the correct plant.
  
  
  
  
  
  Use cross-plant task lists carefully:
  
  SAP generally requires task lists and their subordinate task lists to be within the same plant.
  If cross-plant usage is necessary, consider alternative approaches such as:
  
  Using reference task lists.
  Using production versions or BOMs that link components across plants.
  
  
  
  
  
  Check configuration:
  
  Review the configuration of task lists and plants in SPRO under Production ? Master Data ? Routings.
  Ensure that the plant assignments and task list types are correctly maintained.
  
  
  
  
  Additional Information:
  
  This error is a consistency check to prevent planning and execution issues.
  Plants represent organizational units in SAP, and mixing plants in task lists can cause problems in production planning, costing, and execution.
  If you need to use components or operations from different plants, consider using production versions or phantom assemblies instead of subordinate task lists from different plants.
  Always coordinate with your production planning and master data teams before making changes to plants or task lists.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error Message
  WPS01002: Planning plant &1 differs from plant &2 of subordinate task list
  
  
  Cause
  Main task list and subordinate task list belong to different plants
  
  
  Solution
  Align plants of main and subordinate task lists; create subordinate task lists in the same plant
  
  
  Related SAP Area
  Production Planning (PP), Task Lists (Routings), Master Data
  
  
  
  
  If you need help with specific transaction codes or steps to check plants in task lists, feel free to ask!