Error parsing node of kind 'ERROR': {Node ERROR (0, 39) - (0, 229)} 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://en.wikipedia.org/wiki/Benign_tumor"}]}" Err("Unexpected Node kind: ERROR")