Message

Attribute 'schemeID' MUST be present.

Context
/ubl:DespatchAdvice/cac:DespatchLine/cac:Item/cac:AdditionalItemProperty/cbc:ID
Test
@schemeID
Usage
/ ubl:DespatchAdvice / cac:DespatchLine / cac:Item / cac:AdditionalItemProperty / cbc:ID