How To Fix KK301 - Costing variant & is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: KK -

• Message number: 301

• Message text: Costing variant & is invalid

What causes this issue?

You are attempting to assign a cost estimate to an invalid costing
variant.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Go into Customizing and check this costing variant.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KK301 - Costing variant & is invalid ?

  The SAP error message KK301, which states "Costing variant & is invalid," typically occurs in the context of product costing or when trying to execute a costing run in SAP. This error indicates that the costing variant you are trying to use is either not defined, not active, or has been incorrectly configured.
  Causes of Error KK301
  
  Inactive Costing Variant: The costing variant you are trying to use may not be active in the system.
  Incorrect Configuration: The costing variant may not be properly configured or may be missing required settings.
  Authorization Issues: The user may not have the necessary authorizations to access the costing variant.
  Missing Master Data: The relevant master data (like material master or cost center) may not be set up correctly or may be missing.
  Incorrect Transaction Code: The transaction code being used may not be appropriate for the costing variant.
  
  Solutions to Error KK301
  
  
  Check Costing Variant Configuration:
  
  Go to the configuration settings for costing variants in SAP (Transaction Code: OKKN).
  Ensure that the costing variant you are trying to use is defined and active.
  
  
  
  Verify Master Data:
  
  Check if the relevant master data (material master, cost center, etc.) is correctly set up and available.
  Ensure that the material is assigned to the correct costing variant.
  
  
  
  Review User Authorizations:
  
  Ensure that the user has the necessary authorizations to access and use the costing variant.
  Check the user roles and profiles in the authorization management system.
  
  
  
  Use the Correct Transaction:
  
  Make sure you are using the correct transaction code for the operation you are trying to perform.
  If you are unsure, consult with your SAP administrator or refer to the documentation.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Testing in a Development Environment:
  
  If possible, replicate the issue in a development or test environment to further diagnose the problem without affecting production data.
  
  
  
  Related Information
  
  
  Transaction Codes: 
  
  OKKN: Costing Variants
  CK11N: Create Cost Estimate with Quantity Structure
  CK40N: Execute Costing Run
  
  
  
  Documentation: 
  
  Refer to SAP Help documentation for detailed information on costing variants and their configuration.
  
  
  
  SAP Community: 
  
  Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  
  
  
  By following these steps, you should be able to identify the cause of the KK301 error and implement the necessary solutions to resolve it. If the issue persists, consider reaching out to your SAP support team for further assistance.