shell> curl -X DELETE --header 'accept: application/json' --dump - http://localhost:8529/_api/gharial/social/vertex/male HTTP/1.1 Bad Request content-type: application/json; charset=utf-8 x-content-type-options: nosniff { "code" : 400, "error" : true, "errorMessage" : "collection is not in list of orphan collections", "errorNum" : 1928 }