Message

Attribute 'schemeID' MUST be present.

Context
/ubl:OrderResponse/cac:OrderLine/cac:SellerSubstitutedLineItem/cac:Item/cac:StandardItemIdentification/cbc:ID
Test
@schemeID
Usage
/ ubl:OrderResponse / cac:OrderLine / cac:SellerSubstitutedLineItem / cac:Item / cac:StandardItemIdentification / cbc:ID