Processing not possible on &1 - fiscal year &2 already completed

What causes this issue?

Processing has been terminated, as date &V1& in company code &V3& falls
in a fiscal year that has already been closed in the Accrual Engine.

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?

Correct date &V1& or open fical year &V2& for company code &V3& in the
Accrual Engine.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.