When logged into Phobio Tools, go to the Processing tab, click on Shipments, click on View Previously Created Shipments, select the shipment number and there should be a Remove From Shipment button to the right of the row where the invoice is.
When logged into Phobio Tools, go to the Processing tab, click on Shipments, click on View Previously Created Shipments, select the shipment number and there should be a Remove From Shipment button to the right of the row where the invoice is.