Error placing GTT orders

sidhant

{
trigger_type: 'single',
tradingsymbol: 'ATLANTA',
exchange: 'NSE',
trigger_values: [ '14.09' ],
last_price: 15.8,
orders: [
{
tradingsymbol: 'ATLANTA',
exchange: 'NSE',
transaction_type: 'SELL',
quantity: 1,
product: 'CNC',
order_type: 'LIMIT',
price: '14.09'
}
]
}

when i placing a gtt order its showing erorr as below

Error placing GTT orders: {
status: 'error',
message: 'Invalid condition params.',
data: null,
error_type: 'InputException'
}