Error parsing node of kind 'ERROR': {Node ERROR (0, 39) - (0, 455)} disease_tree?annotation=eq."{"dce:type":[{"datatype":"_IRI","meta":"owl:Axiom","object":"obo:ECO_0007638"}],"oio:hasDbXref":[{"datatype":"xsd:string","meta":"owl:Axiom","object":"url:http://cancergenome.nih.gov/cancersselected/prostatecancer"},{"datatype":"xsd:string","meta":"owl:Axiom","object":"url:http://en.wikipedia.org/wiki/Adenocarcinoma"},{"datatype":"xsd:string","meta":"owl:Axiom","object":"url:http://en.wikipedia.org/wiki/Prostate_cancer"}]}" Err("Unexpected Node kind: ERROR")