Fiscal year variant &1 is different from &2 for ledger &3, CoCode &4

What causes this issue?

The fiscal year variant &V1& of the combination
company code &V4&
ledger &V3&
is different from the fiscal year variant &V2& of the controlling area
to which the company code &V4& is assigned.

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?

You can either
adjust the fiscal year variant in the <DS:TRAN.OKKP>master data of the
controlling area</> or
adjust the fiscal year variant in the <DS:TRAN.FINSC_LEDGER>company code
settings</> of the ledger &V3& or
<DS:SIMG.FINSV_VERSN_LD>assign the relevant CO version</> to a different
ledger.

Error message extract from SAP system. Copyright SAP SE.