Error occurred while placing order for option

psm007

please let me which parameter is wrong , why system is returning? why error no mentioned details.

Moderator_2

Apologies for delayed response.
Kindly verify on the "tradingsymbol" on API request. Please fetch respective symbol from scripmaster file
https://smartapi.angelbroking.com/docs/Instruments

Sample request:
{
"variety":"NORMAL",
"tradingsymbol":"SBIN-EQ",
"symboltoken":"3045",
"transactiontype":"BUY",
"exchange":"NSE",
"ordertype":"MARKET",
"producttype":"INTRADAY",
"duration":"DAY",
"price":"194.50",
"squareoff":"0",
"stoploss":"0",
"quantity":"1"
}

Thanks & Regards,
SmartAPI team