Message

The @type for rim:Slot "ublDocumentSchema" MUST be: list to be created

Context
query:QueryResponse/rim:RegistryObjectList/rim:RegistryObject/rim:Slot[@name='ublDocumentSchema']
Test
@type = 'ublDocumentSchema'
Usage
/ query:QueryResponse / rim:RegistryObjectList / rim:RegistryObject / rim:Slot@name=UBLDocumentSchema / @type