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

KPN052 - Overview

• 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