Sell order not working

darshan

Request

orderparams = {
        "variety":"NORMAL",
        "tradingsymbol":"NHPC-EQ",
        "symboltoken":"17400",
        "transactiontype":"SELL",
        "exchange":"NSE",
        "ordertype":"LIMIT",
        "producttype":"INTRADAY",
        "duration":"DAY",
        "price":"26.40",
        "squareoff":"0",
        "stoploss":"0",
        "quantity":"1"

    }

    orderresponse = obj.modifyOrder(orderparams)
    return orderresponse

Response -

 {'message': 'Internal Error', 'errorcode': 'AB2001', 'status': False, 'data': None}