How To Fix FH518 - No longer possible to change account numbers (see long text)

FH518 - Overview

• Message type: E = Error

• Message class: FH - General ledger module messages

• Message number: 518

• Message text: No longer possible to change account numbers (see long text)

What causes this issue?

It is no longer possible to change the account numbers since the manual
changes to the G/L account master data are not transported from the Q
system to the P system and the initial transport of the configuration to
the production system has already taken place.

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?

It is possible that the setting that changes to the G/L account master
data are not transported from the Q system to the P system is not
correct.
Please contact SAP.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FH518 - No longer possible to change account numbers (see long text) ?

  The SAP error message FH518, which states "No longer possible to change account numbers (see long text)," typically occurs when there is an attempt to change account numbers in a financial document or master data that has already been posted or processed. This restriction is in place to maintain the integrity of financial data and ensure that historical records remain consistent.
  
  Cause:
  
  Posted Transactions: The account number you are trying to change has already been used in posted transactions. SAP does not allow changes to account numbers for posted documents to prevent discrepancies in financial reporting.
  Document Status: The document may be in a status that does not allow changes, such as being locked for posting or already being cleared.
  Configuration Settings: Certain configuration settings in the SAP system may restrict changes to account numbers after a certain point in the document lifecycle.
  
  
  Solution:
  
  Check Document Status: Verify the status of the document you are trying