Ledger &3 not contained in ledger group &4 (CoCode &1, AP &2)

What causes this issue?

In the Customizing settings for <LS>Multiple Accounting Principles in
Controlling (COGM)</>, ledger &V3& has been entered as compatibility
view ledger for company code &V1& and accounting principle &V2&.
However, this ledger is not contained in ledger group &V4& that is
assigned to the same entry.

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?

To correct the ledger settings described above, please go to Customizing
activity
<DS:SIMG.V_FCML_MLCO_COFI>Set Up Integration with G/L for Multiple
Accounting Principles in Controlling (COGM)</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.