Woocommerce Rest Api dropping an Error

        $postdata = array(
          
           'payment_method' => 'bacs',
           'payment_method_title' => 'Direct Bank Transfer',
           'set_paid' => false,
           'billing' => array(
             'first_name' => $name,
             'last_name' => $surname,
             'address_1' => '969 Market',
             'address_2' => '',
             'city' => 'Владимир',
             'state' => 'Владимирская область',
             'postcode' => '94103',
             'country' => 'RU',
             'email' => $user_data->user_email,
             'phone' => '(555) 555-5555'
           ),
           'shipping' => array(
             'first_name' => $name,
             'last_name' => $surname,
             'address_1' => '969 Market',
             'address_2' => '',
             'city' => 'Владимир',
             'state' => 'Владимирская область',
             'postcode' => '94103',
             'country' => 'RU'
           ),
           'line_items' => array(
             'product_id' => 42,
             'quantity' => 1
           ),
           'shipping_lines' => array(
            'method_id' => 'flat_rate',
            'method_title' => 'Flat Rate',
            'total' => 10  
           ),
        );
        
        $order_data = $fswoocommerce->post('orders', $postdata);

This piece of code is dropping an error:
Error: Необходим ID или артикул заказа. [woocommerce_rest_required_product_reference]