How To Fix FH043 - New account group has &1 different input rules

FH043 - Overview

• Message type: E = Error

• Message class: FH - General ledger module messages

• Message number: 043

• Message text: New account group has &1 different input rules

What causes this issue?

You have defined another account group.
The new account group has different rules for entry and display.

How to fix this error?

Please compare the characteristics of the old account group with those
of the new account group. If master data has already been created for
the company code, the following problems may occur.
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old characteristic new characteristic problem
-------------------------------------------------
Required entry optional entry problem-free
Required entry problem 1
Optional entry required entry problem 2
Optional entry problem 1
required entry problem 2
optional entry problem-free
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On problem 1:
Values which have already been entered and stored can no longer be
displayed or maintained. However, the stored value remains.
Check the field contents of all G/L account master records of this
account in all company codes and cancel all field contents in
question before changing the account group.
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On problem 2:
Fields which you defined as a required entry possibly have no
contents.
Call up the change transaction for all G/L account master records
of this account in all company codes. The system will point out
missing contents.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FH043 - New account group has &1 different input rules ?

  The SAP error message FH043, which states "New account group has &1 different input rules," typically occurs when there is a mismatch in the input rules for a new account group being created in the Financial Accounting (FI) module. This error indicates that the new account group you are trying to create or modify has different input rules compared to existing account groups.
  
  Cause:
  
  Input Rules Mismatch: The new account group you are trying to create has different settings for input rules compared to the existing account groups. Input rules define how data is entered into the system for that account group.
  
  Configuration Issues: There may be inconsistencies in the configuration settings for the new account group, such as missing or incorrect settings in the account group configuration.
  Data Entry Errors: If you are trying to enter data for the new account group, it may not comply with the expected input rules defined for