How To Fix KA255 - The system cannot determine a unique costing sheet

SAP Error Message - Details

• Message type: E = Error

• Message class: KA - CO Overhead Costs: Overhead, Accrual Calculation

• Message number: 255

• Message text: The system cannot determine a unique costing sheet

What causes this issue?

No single costing sheet is defined for the processing period. At
least two different costing sheets were assigned.

System Response

The calculation of imputed costs cannot be processed for a selected
period if there is more than one valid costing sheet.

How to fix this error?

Check the assigned costing sheets with the maintenance function for the
validity period and
either change the costing sheets there
or process the calculation of imputed costs only for that part of a
period with only one costing sheet assigned to it.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KA255 - The system cannot determine a unique costing sheet ?

  The SAP error message KA255, which states "The system cannot determine a unique costing sheet," typically occurs in the context of product costing and is related to the configuration of costing sheets in the system. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Multiple Costing Sheets: The error usually arises when there are multiple costing sheets that could apply to a particular material or cost object, and the system cannot determine which one to use.
  Missing Configuration: The costing sheet may not be properly configured or assigned to the relevant controlling area, company code, or material.
  Costing Variant Issues: The costing variant used may not be correctly set up to reference the appropriate costing sheet.
  Data Inconsistencies: There may be inconsistencies in the master data or configuration settings that lead to ambiguity in determining the costing sheet.
  
  Solutions:
  
  
  Check Costing Sheets: Review the costing sheets defined in the system. Ensure that there is a unique costing sheet that can be applied to the material or cost object in question.
  
  Transaction Code: OKTZ (Costing Sheets)
  
  
  
  Review Costing Variants: Ensure that the costing variant being used is correctly configured to reference the appropriate costing sheet.
  
  Transaction Code: OKKN (Costing Variants)
  
  
  
  Assign Costing Sheets: Make sure that the costing sheets are assigned to the relevant controlling area and company code.
  
  Transaction Code: OKB9 (Assign Costing Sheets)
  
  
  
  Check Material Master Data: Verify the material master data to ensure that the correct costing view is maintained and that it references the appropriate costing sheet.
  
  Transaction Code: MM03 (Display Material)
  
  
  
  Costing Type: Ensure that the costing type used in the costing variant is appropriate for the scenario you are working with.
  
  
  Consult Documentation: If the issue persists, consult SAP documentation or reach out to your SAP support team for further assistance.
  
  
  Related Information:
  
  Costing Sheet Structure: A costing sheet typically includes various cost components such as material costs, labor costs, overheads, etc. Understanding how these components are structured can help in troubleshooting.
  Costing Variants: Costing variants define how costs are calculated and can include settings for valuation methods, costing sheets, and other parameters.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to costing sheets and provide patches or updates.
  
  By following these steps, you should be able to resolve the KA255 error and ensure that the system can determine a unique costing sheet for your costing processes.