Error parsing node of kind 'ERROR': {Node ERROR (0, 44) - (0, 166)} disease_tree?annotation=eq."{"oio:hasDbXref":[{"datatype":"xsd:string","meta":"owl:Axiom","object":"url:http://breastcancer.about.com/od/types/p/angiosarcoma.htm"}]}" Err("Unexpected Node kind: ERROR")