Solution : https://service.sap.com/sap/support/notes/552973 (SAP Service marketplace login required)
Key words :
call function module ws_delivery_update, message type kep6 reason, goods issue posting, gi/gr posting, attached programm corrections, completely transferred automatically, express service labels, handling units generated, packing table profile, allowed multiple transmission
Related Notes :
526239 | DUPLICATE RECORD for TO creation with pick handling units |