We have notified the customer that he received two sets of invoices, but you attached.So disturbing that this shipment is returned with a few invoices.
We have been informed by the customer that. He received an invoice for the first two sets, but you're attached to, so let that interfere with a shipment invoice.
We have been informed by the customer that he receive an invoice for 2 series, but you 1 attached.So please tell us that there are many shipments this invoice.