Error parsing node of kind 'ERROR': {Node ERROR (0, 39) - (0, 546)} disease_tree?annotation=eq."{"dce:type":[{"datatype":"_IRI","meta":"owl:Axiom","object":"obo:ECO_0007637"},{"datatype":"_IRI","meta":"owl:Axiom","object":"obo:ECO_0007640"}],"oio:hasDbXref":[{"datatype":"xsd:string","meta":"owl:Axiom","object":"url:http://www.mayoclinic.com/health/juvenile-rheumatoid-arthritis/DS00018"},{"datatype":"xsd:string","meta":"owl:Axiom","object":"url:http://www.nlm.nih.gov/medlineplus/ency/article/000451.htm"},{"datatype":"xsd:string","meta":"owl:Axiom","object":"url:http://www.umm.edu/ency/article/000451.htm"}]}" Err("Unexpected Node kind: ERROR")