& invoices were released, & still contain a manual block

What causes this issue?

You want to release invoices, or you have deleted blocking reasons
manually:
&v3& have been processed.
&v1& of these have been released.
However, &v2& invoices still contain a manual payment block, and these
invoices were not released for payment.

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?

If you want to release invoices for payment, you must also delete the
manual payment block. To do this:
On the selection screen of transaction <LS>Release blocked invoices
(MRBR)</>, select blocking method <LS>Manual payment block</>.
Select <LS>Execute.</> The system suggests the invoices that contain a
manual block in the document header.
Select the invoice(s) to be released for payment.
Choose <LS>Release invoice</> and save your entries.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.