Error parsing node of kind 'ERROR': {Node ERROR (0, 39) - (0, 417)} disease_tree?annotation=eq."{"dce:type":[{"datatype":"_IRI","meta":"owl:Axiom","object":"obo:ECO_0007638"},{"datatype":"_IRI","meta":"owl:Axiom","object":"obo:ECO_0007645"}],"oio:hasDbXref":[{"datatype":"xsd:string","meta":"owl:Axiom","object":"url:http://en.wikipedia.org/wiki/Retroperitoneal_space"},{"datatype":"xsd:string","meta":"owl:Axiom","object":"url:http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1665230/"}]}" Err("Unexpected Node kind: ERROR")