How To Fix KPN078 - Costings have already been maintained for this project using overall plg

KPN078 - Overview

• Message type: E = Error

• Message class: KPN - Costing: Networks, Projects

• Message number: 078

• Message text: Costings have already been maintained for this project using overall plg

What causes this issue?

You have already maintained unit costings for the project, using
overall or annual planning.
As Easy Cost Planning and unit costing using overall/annual planning
are mutually exclusive, you cannot create a costing for this project
using Easy Cost Planning.

System Response

Easy Cost Planning not possible.

How to fix this error?

Use just one form of planning in your project.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KPN078 - Costings have already been maintained for this project using overall plg ?

  The SAP error message KPN078 indicates that costings have already been maintained for a project using overall planning (overall plg). This typically occurs in the context of project system (PS) or controlling (CO) modules when you attempt to perform an action that conflicts with existing costings.
  
  Cause:
  
  Existing Costings: The primary cause of this error is that cost estimates or cost planning have already been executed for the project in question. This means that the system has already recorded cost data that cannot be overwritten or modified without specific actions.
  Project Status: The project may be in a status that does not allow for further cost planning or modifications.
  Locking Mechanism: The project might be locked for changes due to various reasons, such as being in a closed period or having been finalized.
  
  
  Solution:
  
  Review Existing Costings: Check the existing cost estimates for the project. You can do this by navigating to the relevant transaction (e.g.,