Check if postings already exist in company code &1 / ledger &2!

What causes this issue?

If you change these customizing settings you must ensure that no journal
entries exist in company code &V1& / ledger &V2&, otherwise the data in
the current system will become inconsistent.

System Response

The change is prevented

How to fix this error?

You can however consider a change in the customizing settings in the
following cases:
You are currently working in a customizing or test system and you are
sure that in the production system there haven't been any postings made
yet.
You are willing to accept the inconsistencies in the current system.
You are currently implementing a new flexible currency as described in
SPRO / Financial Accounting / Financial Accounting Global Settings /
Tools / Manage Currencies
In this case you can turn this message into a warning message.

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

INCLUDE CUSTOMIZED_MESSAGE_INFO OBJECT DOKU ID TX

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.