How To Fix KN051 - Cost component group is not available

SAP Error Message - Details

• Message type: E = Error

• Message class: KN - Reporting for Costing

• Message number: 051

• Message text: Cost component group is not available

What causes this issue?

Cost component structure &v1& is not available.

How to fix this error?

Go into Customizing. For each application, select (under the menu
option "Report layout") the cost component structure that appears as a
default when you start the report.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KN051 - Cost component group is not available ?

  The SAP error message KN051, which states "Cost component group is not available," typically occurs in the context of material master data or when dealing with cost accounting in SAP. This error indicates that the system is unable to find a specified cost component group for a particular material or cost object.
  Causes:
  
  Missing Cost Component Group: The cost component group that is being referenced in the transaction or process does not exist in the system.
  Incorrect Configuration: The configuration settings for cost component groups may not be set up correctly in the controlling area or for the specific material.
  Data Inconsistency: There may be inconsistencies in the master data, such as missing or incorrect entries in the material master or cost center.
  Authorization Issues: The user may not have the necessary authorizations to access the cost component group.
  
  Solutions:
  
  
  Check Cost Component Group Configuration:
  
  Navigate to the configuration settings in SAP (Transaction code: SPRO).
  Go to Controlling > Cost Element Accounting > Master Data > Cost Component Groups.
  Verify that the cost component group in question is defined and correctly configured.
  
  
  
  Review Material Master Data:
  
  Use transaction code MM03 to display the material master data.
  Check the accounting views to ensure that the cost component group is correctly assigned.
  
  
  
  Update or Create Cost Component Group:
  
  If the cost component group is missing, you may need to create it using the appropriate configuration settings.
  Ensure that all necessary attributes and settings are correctly defined.
  
  
  
  Check for Data Consistency:
  
  Run consistency checks or reports to identify any discrepancies in the master data.
  Use transaction codes like CKM3N (for material cost estimates) to analyze cost component groups.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the cost component group.
  Consult with your SAP security team if there are any authorization issues.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  MM03 (Display Material Master)
  CKM3N (Display Material Cost Estimate)
  SPRO (SAP Reference IMG)
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on cost component groups and their configuration.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the KN051 error message.
  
  
  By following these steps, you should be able to identify the cause of the KN051 error and implement the necessary solutions to resolve it. If the issue persists, consider reaching out to your SAP support team for further assistance.