How To Fix KO123 - Controlling area & is not assigned to any company

KO123 - Overview

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 123

• Message text: Controlling area & is not assigned to any company

What causes this issue?

An order must be assigned to a company, as well as to a controlling
area. If you only enter one of the two, the system tries to determine
the other from your input.

System Response

Controlling area &v1& is not assigned to any company.

How to fix this error?

Either assign <DS:TRAN.OKKA>controlling area</> &v1& to one or more
companies, or select a different controlling area.

Error message extract from SAP system. Copyright SAP SE.

KO123 - Details

• The SAP error message KO123 indicates that a controlling area is not assigned to any company code. This error typically arises when you are trying to perform a transaction that requires a controlling area to be linked to a company code, but the necessary configuration has not been completed.
  
  Cause:
  
  Missing Assignment: The controlling area has not been assigned to any company code in the system.
  Incorrect Configuration: The controlling area may have been created but not properly linked to the relevant company code.
  Data Entry Error: There may be a typo or incorrect entry when specifying the controlling area in a transaction.
  
  
  Solution:
  To resolve the KO123 error, you need to ensure that the controlling area is properly assigned to a company code. Here are the steps to do this:
  
  
  Access the Configuration:
  
  Go to the SAP Easy Access screen.
  Navigate to SPRO (SAP Project Reference Object) > SAP Reference IMG.
  
  
  
  Assign Controlling Area to Company Code:
  
  Follow the path: