How To Fix CNV_20400_CHECK056 - Some source controlling areas are not assigned to an fin. mngmnt area

CNV_20400_CHECK056 - Overview

• Message type: E = Error

• Message class: CNV_20400_CHECK - Messages for check functions (controlling area merge)

• Message number: 056

• Message text: Some source controlling areas are not assigned to an fin. mngmnt area

What causes this issue?

One or more controlling areas are not assigned to Financial Management
Area but target controlling area is. No technical preparation is needed,
but all source controlling areas will be assigned Financial Management
Area after conversion.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_20400_CHECK056 - Details

• The SAP error message CNV_20400_CHECK056 indicates that some source controlling areas are not assigned to a financial management area. This error typically arises during data migration or conversion processes, particularly when using SAP's Migration Cockpit or other data migration tools.
  
  Cause:
  The error occurs when there are inconsistencies in the configuration of controlling areas and financial management areas in the SAP system. Specifically, it means that certain controlling areas (which are used for internal cost accounting) do not have a corresponding assignment to a financial management area (which is used for external financial reporting).
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Configuration:
  
  Go to the SAP Customizing Implementation Guide (IMG) and navigate to:Controlling (CO) -> General Controlling -> Master Data -> Controlling Area -> Assign Controlling Area to Company Code
  
  Ensure that all controlling areas are properly assigned to the relevant company codes and financial management areas.
  
  
  
  Assign Controlling Areas:
  
  If you find any controlling