Error parsing node of kind 'ERROR': {Node ERROR (0, 39) - (0, 56)} disease_tree?object=eq.malignant hepato-biliary neoplasm Ok(Select { table: "\"disease_tree\"", select: [], filter: [Filter { lhs: "\"object\"", operator: Equals, rhs: String("'malignant hepato'") }], window: None, group_by: [], having: [], order_by: [], limit: None, offset: None })