How To Fix FMKU020 - Budgetary ledger is not active in FM area &1, do not enter a posting date

FMKU020 - Overview

• Message type: E = Error

• Message class: FMKU - FM budgeting, kernel utilities

• Message number: 020

• Message text: Budgetary ledger is not active in FM area &1, do not enter a posting date

What causes this issue?

You have entered a posting date. However, this is not permitted as the
budgetary ledger (BL) has not been activated in Customizing for FM area
&V1&.

System Response

Processing stops.

How to fix this error?

Do not enter a posting date.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

FMKU020 - Details

• The SAP error message FMKU020 indicates that the budgetary ledger is not active for the specified Funds Management (FM) area. This error typically occurs when you attempt to post a transaction that requires budgetary control, but the system is not set up to manage budgets for that particular FM area.
  
  Cause:
  
  Inactive Budgetary Ledger: The budgetary ledger for the specified FM area is not activated. This means that the system does not track budget consumption or enforce budgetary controls for that area.
  Incorrect Configuration: The configuration settings for the Funds Management module may not be properly set up, leading to the budgetary ledger being inactive.
  Posting Date Issues: The error message also suggests that a posting date should not be entered, which may indicate that the system is expecting a specific type of transaction that does not require a posting date.
  
  
  Solution:
  
  
  Activate the Budgetary Ledger:
  
  Go to the configuration settings in SAP for Funds Management.
  Navigate to