How To Fix KPN052 - Material &1 for WBS element &2 has already been valuated

SAP Error Message - Details

• Message type: E = Error

• Message class: KPN - Costing: Networks, Projects

• Message number: 052

• Message text: Material &1 for WBS element &2 has already been valuated

What causes this issue?

Material &V1& has already been valued due to goods being received into
stock in WBS element &V2&.

System Response

The price determined when the goods were received is used in the
network costing. Any unit costing maintained for the material component
is ignored.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KPN052 - Material &1 for WBS element &2 has already been valuated ?

  The SAP error message KPN052 indicates that a material has already been valuated for a specific Work Breakdown Structure (WBS) element. This typically occurs in the context of project accounting or controlling when you attempt to perform a valuation or posting that conflicts with existing valuations for that WBS element.
  Cause:
  
  Duplicate Valuation: The material has already been assigned a valuation for the specified WBS element, and the system does not allow for multiple valuations.
  Incorrect Posting: You may be trying to post a transaction that is not allowed because the material is already linked to a valuation.
  Configuration Issues: There may be configuration settings in the system that prevent multiple valuations for the same material and WBS element.
  
  Solution:
  
  Check Existing Valuations: Review the existing valuations for the material and WBS element combination. You can do this by navigating to the relevant transaction codes (e.g., CJI3 for project reports) to see the current status.
  Adjust the Posting: If you are trying to post a new valuation, consider whether it is necessary. If the valuation is already correct, you may not need to post again.
  Use Different WBS Element: If you need to perform a new valuation, consider using a different WBS element that does not have an existing valuation for that material.
  Consult Documentation: Review SAP documentation or consult with your SAP support team to understand the specific configuration settings that may be affecting this behavior.
  Error Handling: If you believe this error is incorrect, you may need to check for any inconsistencies in the data or consult with your technical team to investigate further.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJI3 (Project Actual Line Items), CJI5 (Project Actual/Plan/Variance), and CJR2 (Change Project).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to perform the actions you are attempting.
  Training: If you are frequently encountering this error, consider additional training on project accounting and material valuation in SAP.
  
  By following these steps, you should be able to resolve the KPN052 error and understand the underlying issues related to material valuation in your SAP system.