How To Fix FH166 - Change to group account number in spite of postings

FH166 - Overview

• Message type: E = Error

• Message class: FH - General ledger module messages

• Message number: 166

• Message text: Change to group account number in spite of postings

What causes this issue?

You have changed the group account number from &V1& to &V2&.
The G/L account has already been posted to; that is, data records in
group account number &V1& have already been updated in at least one of
the company codes that is assigned to the chart of accounts. The
current account balance is however zero in all company codes.

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?

Check your entry.
INCLUDE 'CUSTOMIZED_MESSAGE_INFO' OBJECT DOKU ID TX LANGUAGE EN

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FH166 - Change to group account number in spite of postings ?

  The SAP error message FH166 ("Change to group account number in spite of postings") typically occurs when there is an attempt to change the group account number of a G/L account that has already been posted to. This is a safeguard mechanism in SAP to prevent inconsistencies in financial reporting and data integrity.
  
  Cause:
  The error arises when:
  
  You attempt to change the group account number of a G/L account that has already been used in postings.
  The system detects that there are existing transactions linked to the account, which would be affected by the change.
  
  
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Check for Postings: 
  
  Review the G/L account to see if there are any postings. You can use transaction codes like FB03 (Display Document) or FBL3N (G/L Account Line Item Display) to check for any existing transactions.
  
  
  
  Reclassify Transactions:
  
  If there are postings, you may need to reclassify or reverse those transactions before