How To Fix KH300 - The form definition does not allow assignment of a key figure

KH300 - Overview

• Message type: E = Error

• Message class: KH - CO-PA Reporting

• Message number: 300

• Message text: The form definition does not allow assignment of a key figure

What causes this issue?

The characteristics selected in the form do not allow an assignment to
a key figure in the report.

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?

Change the characteristics in the form.

Error message extract from SAP system. Copyright SAP SE.

KH300 - Details

• The SAP error message KH300, which states "The form definition does not allow assignment of a key figure," typically occurs in the context of SAP Controlling (CO) when working with reports or forms in the system. This error indicates that there is an issue with the configuration of the form or report you are trying to use, specifically regarding the assignment of key figures.
  
  Cause:
  
  Form Definition Issues: The form you are using may not be configured to accept the key figure you are trying to assign. This could be due to the form being set up incorrectly or not being designed to handle that specific key figure.
  Key Figure Compatibility: The key figure you are trying to use may not be compatible with the form definition. This can happen if the key figure is not included in the form's data structure.
  Missing Authorizations: Sometimes, the user may not have the necessary authorizations to