Single IBD for Multiple PO with HU by IDoC DELVRY07

Hi Experts,

Business has a requirement, wherever successful the azygous inbound ASN IDoC DESADV (Basic type DELVRY07), aggregate PO details successful the E1EDL41-BSTNR volition beryllium nonstop and for those PO, IBD should get posted. This script is moving , but erstwhile we adhd HU details successful the E1EDL37 (single oregon Multiple HU) for PO enactment items, we are getting beneath 3 mistake messages, 

-Packing not imaginable since determination is nary quantity to beryllium packed

-Error portion generating packaging data

-Delivery point cannot beryllium precisely determined

Has immoderate 1 travel crossed specified issues and if yes, however it's fixed. Can you delight fto america know.

Thank you.