How To Fix KJ123 - Plan version (&) for valuation must differ from fixed price version (&)

KJ123 - Overview

• Message type: E = Error

• Message class: KJ - Cost Object Controlling for Make-to-Order Production

• Message number: 123

• Message text: Plan version (&) for valuation must differ from fixed price version (&)

What causes this issue?

When a project is being realized in the Project System, you can enter a
fixed price agreement that determines a fixed price for providing a
service.
This fixed price is entered on the lower-level WBS element and written
automatically to the higher-level WBS element under a fixed price
version. You can use this plan version to display the data for the
overall project in different views.
In the present case, you specified a plan version for results analysis
that is flagged as a fixed price version in the system.

System Response

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

How to fix this error?

Go into Customizing and enter a different plan version for valuation.

Error message extract from SAP system. Copyright SAP SE.

KJ123 - Details

• The SAP error message KJ123 indicates that there is a conflict between the plan version and the fixed price version in the context of cost planning or valuation in SAP Controlling (CO). This error typically arises when you are trying to execute a transaction that requires a specific configuration of plan versions and fixed price versions, but the versions being used do not meet the required criteria.
  
  Cause:
  The error occurs when:
  
  The plan version you are trying to use is the same as the fixed price version. In SAP, the system requires that these two versions must be different to ensure proper cost planning and valuation.
  There may be a configuration issue in the controlling area settings or in the specific transaction you are trying to execute.
  
  
  Solution:
  To resolve the KJ123 error, you can take the following steps:
  
  
  Check Plan and Fixed Price Versions:
  
  Verify the plan version you are using and ensure it is different