Prices have been updated

What causes this issue?

The system has performed price determination.

System Response

The system has performed price determination since data relevant to
price determination has been changed in the invoice. The following
fields are relevant for price determination:
Document date
Quantity

How to fix this error?

In the relevant invoice items, check the current prices in the column
<LS>Net Price</> and the corresponding condition records (using <LS>Edit
Own Conditions</>).

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.