The list of blocked invoices is incomplete

What causes this issue?

Based on the settings in your user master record, you do not have
authorization to display all blocked invoice items.
Or: Blocked invoices that you want to release for payment refer to
purchase orders that have already been archived.
Or: Blocked invoices that you want to release for payment are still
part of a release process within the corresponding purchase order.
Or: Blocked invoices that you want to release for payment refer to
purchase orders in which the purchasing group does not belong to the
selected purchasing groups.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.