Fatal error: Uncaught Error: Call to a member function bind_param() on bool

showing the error is " Fatal error : Uncaught Error: Call to a member function bind_param() on bool in C:\xampp\htdocs\test\connect.php:32 Stack trace: #0 {main} thrown in C:\xampp\htdocs\test\connect.php on line 32"
AND MY CODE IS BELOW

<?php

    $username = $_POST['Desired_username'];

    $password = $_POST['psw'];

    $secret = $_POST['Security_Question'];

    $answer = $_POST['Answer'];

    $name = $_POST['Name'];

    $gender = $_POST['Gender'];

    $age = $_POST['Age'];

    $country = $_POST['country'];

    $location = $_POST['Location'];

    $postal = $_POST['txtOriginal'];

    $area = $_POST['Area'];

    $present = $_POST['Present_Address'];

    $contactnumber = $_POST['Contact_Number'];

    $email = $_POST['email'];

    $image = $_POST['fileToUpload'];

    // Database connection

    $connect = new mysqli('localhost','root','','test');

    if($connect->connect_error)

    {

        echo "$connect->connect_error";

        die("Connection Failed : ". $connect->connect_error);

    }

    else 

    {

        $stmt = $connect->prepare("insert into registration(Desired username,psw,Security Question,Answer,Name,Gender,Age,country,Location,txtOriginal,Area,Present Address,Contact Number,email,fileToUpload) 

                                values(?, ?, ?, ?, ?,?, ?, ?, ?, ?,?, ?, ?, ?, ? )");

        $stmt->bind_param("vvvvsissivsvivj", $username,$password,$security,$answer,$name,$gender,$age,$country,$location,$txtOriginal,$area,$present,$contactnumber,$email,$image);

        $execval = $stmt->execute();

        echo $execval;

        echo "Registration successfully...";

        $stmt->close();

        $connect->close();

    }

?>

PLEASE SOLVE THIS PROBLEM

I’ve edited your post for readability. When you enter a code block into a forum post, please precede it with a separate line of three backticks and follow it with a separate line of three backticks to make it easier to read.

You can also use the “preformatted text” tool in the editor (</>) to add backticks around text.

See this post to find the backtick on your keyboard.
Note: Backticks (`) are not single quotes (’).