How To Fix CM401 - No operation selected

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 401

• Message text: No operation selected

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Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message CM401 - No operation selected ?

  The SAP error message CM401 "No operation selected" typically occurs in the context of production planning or when working with production orders, particularly in the context of capacity planning or scheduling. This error indicates that the system could not find any operations to process for the selected production order or task.
  Causes:
  
  No Operations Defined: The production order may not have any operations defined. This can happen if the order was created incorrectly or if the routing is not properly assigned.
  Routing Issues: The routing associated with the production order may not have any valid operations or may not be correctly linked to the order.
  Status of the Order: The production order might be in a status that does not allow operations to be selected (e.g., it might be closed or technically completed).
  Selection Criteria: The selection criteria used in the transaction may not match any available operations, leading to this error.
  Capacity Planning Settings: If you are trying to perform capacity planning, there may be issues with the settings or configurations in the capacity planning module.
  
  Solutions:
  
  Check Production Order: Verify that the production order has operations defined. You can do this by checking the order details in the production order transaction (e.g., CO02).
  Review Routing: Ensure that the routing assigned to the production order has valid operations. You can check this in the routing transaction (e.g., CA03).
  Order Status: Make sure the production order is in a status that allows operations to be selected. If the order is closed or completed, you may need to reopen it or create a new order.
  Adjust Selection Criteria: If you are using specific selection criteria, try broadening them to see if any operations can be selected.
  Check Capacity Planning Settings: If the error occurs during capacity planning, review the configuration settings in the capacity planning module to ensure everything is set up correctly.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO01 (Create Production Order), CO02 (Change Production Order), CA03 (Display Routing), and CM01 (Capacity Planning).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation or help files related to production orders and routing for more detailed information on how to set them up correctly.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in production planning.