Fiscal year variant & is not allowed in company code &

What causes this issue?

All company codes in a given controlling area must have the same fiscal
year variant.

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?

Assign all the company codes in this controlling area the same fiscal
year variant. If this is not possible, you cannot use profit center
accounting in this controlling area. Inform your system administrator.

Error message extract from SAP system. Copyright SAP SE.