How To Fix KH120 - Column & deactivated because dependent columns exist

KH120 - Overview

• Message type: E = Error

• Message class: KH - CO-PA Reporting

• Message number: 120

• Message text: Column & deactivated because dependent columns exist

What causes this issue?

You cannot delete a column required for calculating other columns. The
column was deactivated but not deleted.

Error message extract from SAP system. Copyright SAP SE.

KH120 - Details

• The SAP error message KH120, which states "Column & deactivated because dependent columns exist," typically occurs in the context of SAP Controlling (CO) when you are trying to deactivate a characteristic or column in a report or planning layout that has dependencies on other columns or characteristics.
  
  Cause:
  The error arises when you attempt to deactivate a column that is linked to other columns or characteristics in a report or planning layout. This means that the column you are trying to deactivate is being used in calculations, aggregations, or is otherwise dependent on other data elements that are still active. 
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify Dependencies: Check which columns or characteristics are dependent on the column you are trying to deactivate. You can do this by reviewing the report layout or planning layout configuration.
  
  
  Deactivate Dependent Columns: If possible, deactivate the dependent columns first. This may involve identifying and