How To Fix C3048 - Internal error: KEPH cost field assigned more than once

SAP Error Message - Details

• Message type: E = Error

• Message class: C3 - Messages for Check Reports and Function Modules in Costing

• Message number: 048

• Message text: Internal error: KEPH cost field assigned more than once

What causes this issue?

The same KEPH fields are assigned to cost components &v2& and &v3& in
cost component structure &v1&. Cost fields for the KEPH file are
assigned inernally when you define cost components in customizing. This
can lead to problems when displaying or costing without errors.

How to fix this error?

Go into Customizing and create cost components &V2& and &V3& again in
cost component structure &V1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C3048 - Internal error: KEPH cost field assigned more than once ?

  The SAP error message C3048, which states "Internal error: KEPH cost field assigned more than once," typically occurs in the context of controlling (CO) and profitability analysis (CO-PA) modules. This error indicates that there is a problem with the assignment of cost fields in the KEPH (Cost Element) structure, where a cost field is being assigned multiple times, which is not allowed.
  Cause:
  
  Duplicate Assignments: The most common cause of this error is that a cost field has been assigned more than once in the configuration settings. This can happen if there are overlapping or conflicting settings in the cost element assignments.
  Configuration Errors: Incorrect configuration in the controlling area or in the cost element master data can lead to this issue.
  Data Inconsistencies: If there are inconsistencies in the data or if the data has been manually altered, it may lead to this error.
  
  Solution:
  
  Check Cost Field Assignments: Review the configuration of the cost fields in the KEPH structure. Ensure that each cost field is assigned only once. You can do this by navigating to the relevant configuration settings in the SAP system.
  Review Configuration Settings: Go to the controlling area settings and check the cost element assignments. Make sure there are no duplicate entries.
  Data Consistency Check: Run a consistency check on the relevant data to identify any discrepancies that may be causing the error.
  SAP Notes and Support: Check for any relevant SAP Notes that may address this specific error. Sometimes, SAP releases patches or notes that provide solutions for known issues.
  Consult Documentation: Review the SAP documentation for the CO-PA module to ensure that the configuration aligns with best practices.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OKB9 (for cost element assignments) or KEPH (for profitability analysis) to access the relevant configuration settings.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  Testing: After making changes, ensure to test the configuration in a development or quality assurance environment before applying it to production.
  
  By following these steps, you should be able to identify and resolve the cause of the C3048 error in your SAP system.