Error parsing node of kind 'ERROR': {Node ERROR (0, 160) - (0, 273)} disease_tree?object=eq."A vulvar benign neoplasm that derives_from epithelial-mesenchymal origin cells. It is characterized by branching nests of basaloid cells, horn cysts, and abortive hair papillae. The tumors represent benign hamartomas of the pilosebaceous apparatus." Err("Unexpected Node kind: ERROR")