How To Fix F5439 - G/L account must be marked as ready for input

F5439 - Overview

• Message type: E = Error

• Message class: F5 - Document Editing

• Message number: 439

• Message text: G/L account must be marked as ready for input

What causes this issue?

A reconciliation account which is entered when you enter a document
needs the marking "Reconciliation account is ready for input" in the
master record. In this case, this requirement is not met.

System Response

The entered account is not allowed.

How to fix this error?

Enter another account number or see to it that the master record of
the account is changed.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message F5439 - G/L account must be marked as ready for input ?

  The SAP error message F5439 indicates that a General Ledger (G/L) account is not marked as "ready for input," which means that the account is not available for posting transactions. This can occur for various reasons, typically related to the configuration of the G/L account in the system.
  
  Cause:
  
  Account Configuration: The G/L account may not be set up correctly in the system. It might be marked as "not ready for input" or "blocked" for certain types of transactions.
  Account Type: The account type may not allow postings for the specific transaction you are trying to execute.
  Posting Period: The posting period may be closed, preventing any transactions from being posted to that account.
  Company Code Settings: The company code settings may restrict the use of certain accounts for specific transactions.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check G/L Account Configuration:
  
  Go to the transaction code FS00 (G/L Account Master Record) and enter the