PEPPOL-T016-R016
- Message
 Attribute 'schemeID' MUST be present.
- Context
 /ubl:ApplicationResponse/cac:SenderParty/cbc:EndpointID- Test
 @schemeID- Usage
 
Attribute 'schemeID' MUST be present.
/ubl:ApplicationResponse/cac:SenderParty/cbc:EndpointID@schemeID