Error parsing node of kind 'ERROR': {Node ERROR (0, 39) - (0, 381)} disease_tree?annotation=eq."{"dce:type":[{"datatype":"_IRI","meta":"owl:Axiom","object":"obo:ECO_0007641"}],"oio:hasDbXref":[{"datatype":"xsd:string","meta":"owl:Axiom","object":"url:http://coloncancer.about.com/od/typesofcancer/a/Mucinous_Tumor.htm"},{"datatype":"xsd:string","meta":"owl:Axiom","object":"url:http://medical-dictionary.thefreedictionary.com/mucinous carcinoma"}]}" Err("Unexpected Node kind: ERROR")