How To Fix KPN021 - No unit costing could be selected

SAP Error Message - Details

• Message type: E = Error

• Message class: KPN - Costing: Networks, Projects

• Message number: 021

• Message text: No unit costing could be selected

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KPN021 - No unit costing could be selected ?

  The SAP error message KPN021 ("No unit costing could be selected") typically occurs in the context of cost planning or when trying to perform cost calculations for materials or production orders. This error indicates that the system could not find a valid unit cost for the specified material or activity.
  Causes:
  
  
  Missing Costing Data: The material or activity may not have any costing data maintained in the system. This can happen if the material has not been assigned a cost estimate or if the cost estimate is not valid for the period in question.
  
  
  Costing Variant Issues: The costing variant used may not be set up correctly or may not be applicable for the material or activity.
  
  
  Invalid Valuation Class: The valuation class assigned to the material may not be linked to a valid cost component structure.
  
  
  Costing Version: The costing version being used may not have any active cost estimates.
  
  
  Plant or Company Code Issues: The material may not be available in the specified plant or company code, leading to the absence of costing data.
  
  
  Solutions:
  
  
  Check Cost Estimates: Verify that the material has a valid cost estimate. You can do this by navigating to the material master record and checking the costing views.
  
  
  Review Costing Variant: Ensure that the costing variant being used is correctly configured and applicable to the material or activity.
  
  
  Validate Valuation Class: Check the valuation class assigned to the material and ensure it is linked to a valid cost component structure.
  
  
  Check Costing Version: Make sure that the costing version you are using has active cost estimates. You can check this in the costing version configuration.
  
  
  Material Availability: Confirm that the material is available in the relevant plant or company code. If not, you may need to create or extend the material to the appropriate plant.
  
  
  Consult Documentation: Review SAP documentation or help resources for specific details related to the error message and its context.
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CK11N (Create Cost Estimate) or CK40N (Mass Change of Cost Estimates) to manage cost estimates.
  Material Master: Use transaction code MM03 to view the material master and check the costing views.
  Costing Variants: You can configure costing variants in the customizing settings under Controlling -> Product Cost Controlling -> Costing -> Costing Variants.
  
  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 controlling and costing.