Message

Attribute 'schemeID' MUST be present.

Context
/ubl:Order/cac:OrderLine/cac:LineItem/cac:OriginatorParty/cac:PartyIdentification/cbc:ID
Test
@schemeID
Usage
/ ubl:Order / cac:OrderLine / cac:LineItem / cac:OriginatorParty / cac:PartyIdentification / cbc:ID