How To Fix CM027 - Selected components are already partially assigned to an operation

SAP Error Message - Details

• Message type: E = Error

• Message class: CM - Task list messages: Material component allocations

• Message number: 027

• Message text: Selected components are already partially assigned to an operation

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM027 - Selected components are already partially assigned to an operation ?

  The SAP error message CM027, which states "Selected components are already partially assigned to an operation," typically occurs in the context of production planning and control, particularly when dealing with production orders or operations in SAP's Production Planning (PP) module. This error indicates that the components you are trying to assign to a specific operation are already partially assigned to another operation within the same production order.
  Cause:
  
  Partial Assignment: The components you are trying to assign have already been partially assigned to another operation. This can happen if some of the components have already been issued or allocated to a different operation within the same production order.
  Multiple Operations: If you have multiple operations in a production order and you are trying to assign the same components to different operations, SAP will prevent this to avoid inconsistencies in inventory and production tracking.
  Incorrect Order of Operations: If the operations are not being processed in the correct sequence, it may lead to this error.
  
  Solution:
  
  Check Current Assignments: Review the current assignments of the components in the production order. You can do this by navigating to the production order and checking the components assigned to each operation.
  Reassign Components: If you need to assign the components to a different operation, you may need to first unassign them from the current operation where they are partially assigned. This can be done through the production order management screen.
  Adjust Production Order: If the components are needed for multiple operations, consider adjusting the production order to ensure that components are assigned correctly and not duplicated across operations.
  Use the Correct Component: Ensure that you are using the correct components for the operation you are trying to assign. Sometimes, similar components may lead to confusion.
  Consult Documentation: Refer to SAP documentation or help files for specific instructions on managing component assignments in production orders.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CO02 (Change Production Order) or CO03 (Display Production Order) to manage and view production orders and their components.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Permissions: Ensure that you have the necessary permissions to make changes to production orders and component assignments.
  Training and Support: If you are frequently encountering this error, consider seeking additional training on SAP PP or consulting with your SAP support team for further assistance.
  
  By following these steps, you should be able to resolve the CM027 error and manage your component assignments effectively.