BitShares API Response

{
  "id": 1,
  "jsonrpc": "2.0",
  "error": {
    "code": 1,
    "message": "Assert Exception: itr != _by_name.end(): no method with name 'get_grouped_limit_orders'",
    "data": {
      "code": 10,
      "name": "assert_exception",
      "message": "Assert Exception",
      "stack": [
        {
          "context": {
            "level": "error",
            "file": "api_connection.hpp",
            "line": 111,
            "method": "call",
            "hostname": "",
            "thread_name": "th_a",
            "timestamp": "2018-07-19T15:37:25"
          },
          "format": "itr != _by_name.end(): no method with name '${name}'",
          "data": {
            "name": "get_grouped_limit_orders",
            "api": [
              [
                "asset",
                7
              ],
              [
                "block",
                1
              ],
              [
                "crypto",
                6
              ],
              [
                "database",
                3
              ],
              [
                "debug",
                9
              ],
              [
                "history",
                4
              ],
              [
                "login",
                0
              ],
              [
                "network_broadcast",
                2
              ],
              [
                "network_node",
                5
              ],
              [
                "orders",
                8
              ]
            ]
          }
        },
        {
          "context": {
            "level": "warn",
            "file": "websocket_api.cpp",
            "line": 125,
            "method": "on_message",
            "hostname": "",
            "thread_name": "th_a",
            "timestamp": "2018-07-19T15:37:25"
          },
          "format": "",
          "data": {
            "call.method": "call",
            "call.params": [
              1,
              "get_grouped_limit_orders",
              [
                "1..3.0",
                "1.3.113",
                60,
                null,
                10
              ]
            ]
          }
        }
      ]
    }
  }
}