Message

Attribute 'unitCode' MUST be present.

Context
/ubl:OrderChange/cac:OrderLine/cac:LineItem/cac:Item/cac:AdditionalItemProperty/cbc:ValueQuantity
Test
@unitCode
Usage
/ ubl:OrderChange / cac:OrderLine / cac:LineItem / cac:Item / cac:AdditionalItemProperty / cbc:ValueQuantity