How To Fix K9164 - Please define an obligatory variable in the lead column

K9164 - Overview

• Message type: E = Error

• Message class: K9 - CO Planning Processor

• Message number: 164

• Message text: Please define an obligatory variable in the lead column

What causes this issue?

You defined variables with optional replacement for all characteristics
in the lead columns.

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?

Please define at least one characteristic from the lead columns with a
fixed value or a variable with mandatory data entry.

Error message extract from SAP system. Copyright SAP SE.

K9164 - Details

• The SAP error message K9164, which states "Please define an obligatory variable in the lead column," typically occurs in the context of SAP Controlling (CO) when working with reports or planning layouts that require certain variables to be defined.
  
  Cause:
  This error usually arises when you are trying to execute a report or planning layout that requires a mandatory variable (such as a cost center, profit center, or other key figures) to be specified in the lead column, but it has not been defined. The lead column is essential for the report to function correctly, as it determines how data is organized and displayed.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the Report Layout:
  
  Go to the report or planning layout that is generating the error.
  Ensure that the lead column is properly defined with the necessary obligatory variable.
  
  
  
  Define the Obligatory Variable:
  
  If you are using a custom report or layout, you may need