Activate real-time integration for company code &1, acc. principle &2

What causes this issue?

The real-time integration for <LS>Multiple Accounting Principles in
Controlling (COGM) </>is not active for company code &V1& and accounting
principle &V2&.

System Response

In S/4HANA the indicator <LS>Real-Time Integration for Parallel
Valuation Active</> must be set for all company codes and accounting
principles. Reason for this is that in S/4HANA the Controlling is always
integrated with General Ledger. This integration cannot be switched-off.

How to fix this error?

Either
set the indicator <LS>Real-Time Integration for Parallel Valuation
Active</> in the customizing activity
<DS:SIMG.FINSV_MLCO_COFI>Define Ledger Groups for Parallel Valuation
of Costs of Goods Manufactured</>, or do the following:
In customizing activity
<DS:SIMG.FINSV_MLCO_COFI>Set Up Integration with G/L for Parallel Cost
of Goods Manufactured</>, change any field content in the entry for
Company Code &V1& and Accounting Principle &V2&, then change the content
back and save.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.