Error parsing node of kind 'ERROR': {Node ERROR (0, 44) - (0, 194)} disease_tree?annotation=eq."{"oio:hasDbXref":[{"datatype":"xsd:string","meta":"owl:Axiom","object":"url:http://www.nationalpainfoundation.org/MyTreatment/articles/Cancer_PainDefinitions.asp"}]}" Err("Unexpected Node kind: ERROR")