Solution : https://service.sap.com/sap/support/notes/145502 (SAP Service marketplace login required)
Key words :
order item category eln - shipping notification/inbound delivery, order item category eln, additional key words gwrel, order item category, create inbound deliveries, shipping notification, source code correction, hot package 63 31h, hot package 44 31i, hot package 20 solution
Related Notes :
160053 | Incorrect weight/volume for delivery item |
142062 | Item weight although not relevant for weight |