Connection error response post successful order

Hi Team, I am new to fyers API, I placed an order, order got placed but in response i got connection error with no order id.

Request:
-------------------------------
[
   {
   "symbol":"NSE:NIFTY2221019800CE",
     "qty":50,
      "type":1,
      "side":-1,
      "productType":"MARGIN",
      "limitPrice":0.8,
      "stopPrice":0,
      "validity":"DAY",
      "disclosedQty":0,
      "offlineOrder":"False",
      "stopLoss":0,
      "takeProfit":0
    } 
]

Response:
-------------------------
{
    "s": "error",
    "code": 400,
    "message": "",
    "data": [
        {
            "statusCode": 500,
            "body": {
                "s": "error",
                "code": -202,
                "message": "Connection error. Please try again",
                "id": ""
            },
            "statusDescription": "500 Internal Server Error"
        }
    ]
}