Current period's fiscal year automatically corrected for co. code &

What causes this issue?

The fiscal year of the current period for company code &V1& has already
been maintained. A change is therefore allowed in the future, but no
initialization.

System Response

The original fiscal year for the current period has been reentered.

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?

Error message extract from SAP system. Copyright SAP SE.