How To Fix GA839 - Enter either an assessment cost element or "by cost element"

GA839 - Overview

• Message type: E = Error

• Message class: GA - Allocations

• Message number: 839

• Message text: Enter either an assessment cost element or "by cost element"

What causes this issue?

You have entered an assessment cost element AND selected the "By cost
element" function.

System Response

Processing cannot be continued, as the system must either credit under
an assessment cost element or execute a distribution by cost element.

How to fix this error?

Either enter an assessment cost element OR select "By cost element".

Error message extract from SAP system. Copyright SAP SE.

GA839 - Details

• The SAP error message GA839 indicates that there is an issue with the configuration of cost elements in the context of an assessment in the Controlling (CO) module. This error typically arises when you are trying to perform an assessment and the system requires you to specify either an assessment cost element or to select the "by cost element" option, but neither has been provided.
  
  Cause:
  
  Missing Assessment Cost Element: The assessment cost element is not specified in the configuration or during the execution of the assessment.
  Incorrect Configuration: The settings in the assessment cycle may not be properly configured to include the necessary cost elements.
  Selection Criteria: The selection criteria for the assessment may not be set correctly, leading to the system not being able to identify the required cost elements.
  
  
  Solution:
  To resolve the GA839 error, you can take the following steps:
  
  
  Check Assessment Cycle Configuration:
  
  Go to the transaction code KSU5 (for assessment cycles).
  Review the