Error parsing node of kind 'ERROR': {Node ERROR (0, 44) - (0, 175)} disease_tree?annotation=eq."{"oio:hasDbXref":[{"datatype":"xsd:string","meta":"owl:Axiom","object":"url:http://coloncancer.about.com/od/typesofcancer/a/Leiomyosarcoma.htm"}]}" Err("Unexpected Node kind: ERROR")