Price determination results are not up-to-date

What causes this issue?

When entering a provisional invoice, a differential invoice, or a final
invoice, price determination must be performed for all invoice items for
which the differential invoicing checkbox is selected. Price
determination must always be performed with the current document date of
the incoming invoice. If the document date is changed, the system
automatically performs price determination; however, only selected
invoice items are considered here.

System Response

It is not possible to post the invoice.

How to fix this error?

Perform price determination.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.