Why isn't the Receive up to Invoiced Amount button enabled for my notification?

This button is disabled because when the notification was issued, the purchase order wasn't yet invoiced.

Let's look at this example. A notification is sent on 13-Nov-2020. At that time, the RCV_SSP_NOTIF_INCLUDE_PAST_DUE_ORDERS profile option was set to Y, but there were no invoices created for any of the schedules of this purchase order. Since the profile option is Y, the notification was raised. However, since there are no invoices, the Receive up to Invoiced Amount button is disabled because the difference between the amount billed and amount received is zero.

On 5-Dec-2020, the invoices are created. These invoices are placed on hold on 6-Dec-2020. The button is still disabled because when the task was created on 13-Nov-2020, there were no invoices.

To reissue a new notification based on the current state of the purchase order, complete these steps:

1. Click the Did Not Receive button on the old notification. This closes that task without creating a receipt.

2. Run the Confirm Receipt scheduled process.

3. Log in to the worklist as the original requester of the purchase order (not the escalated manager).

4. Open the notification details and the Receive Up to Invoiced Amount button is now enabled.