New General Ledger Accounting is not active; see long text

What causes this issue?

You want to activate the business function <LS>New General Ledger
Accounting</>.
However, use of this business function requires that new General Ledger
Accounting is active. This is not the case.

System Response

Activation is terminated.

How to fix this error?

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

Procedure for System Administrators

If necessary, activate new General Ledger Accounting.
For this, note the <DS:TX.FAGL_ACTIVE>further information on activating
new General Ledger Accounting</>.

Error message extract from SAP system. Copyright SAP SE.