Profit Center Accounting is locked in year &, controlling area &

What causes this issue?

Profit Center Accounting was locked for posting in Customizing.

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

System Response

You cannot transfer any data to Profit Center Accounting.

How to fix this error?

Check the settings in Customizing.

Error message extract from SAP system. Copyright SAP SE.