PHP - Update Password Script

<?php

if (isset($_POST['reset-submit'])) {
    $selector = $_POST['selector'];
    $validator = $_POST['validator'];
    $password = $_POST['password'];
    $password2 = $_POST['password2'];

    // probably better to check this earlier
    if (empty($password) || empty($password2)) {
        header("Location: ../create-new-password.php?newpassword=empty&selector=$selector&validator=$validator");
    } elseif ($password !== $password2) {
        header("Location: ../create-new-password.php?newpassword=passwordsnotmatch");
    }

    $currentDate = date("U");

    require "dbh.inc.php";
    
    $sql = "SELECT * FROM reset_password WHERE selector=? AND expires >= $currentDate";
    $stmt = mysqli_stmt_init($conn);
    if (!mysqli_stmt_prepare($stmt, $sql)) {
        echo "SQL error 1";
        exit();
    } else {
        mysqli_stmt_bind_param($stmt, 'ss', $selector, $currentDate);
        mysqli_stmt_execute($stmt);
        $result = mysqli_stmt_get_result($stmt);
        
        if (!$row = mysqli_fetch_assoc($result)) {
            echo 'You need to re-submit your reset request.';
            exit();
        } else {
            $tokenBin = hex2bin($validator);
            $tokenCheck = password_verify($tokenBin, $row['token']);

            if (!$tokenCheck) {
                echo 'You need to re-submit your reset request.';
                exit();
            } else {
                $email = $row['email'];
                $sql = "SELECT * FROM users WHERE email = $email";
                $stmt = mysqli_stmt_init($conn);
                if (!mysqli_stmt_prepare($stmt, $sql)) {
                    echo "SQL error 2";
                    exit();
                } else {
                    mysqli_stmt_bind_param($stmt, 's', $email);
                    mysqli_stmt_execute($stmt);
                    $result = mysqli_stmt_get_result($stmt);
                    if (!$row = mysqli_fetch_assoc($result)) {
                        echo "SQL error 3";
                        exit();
                    } else {
                        $sql = "UPDATE users SET password=? WHERE email=?";
                        $stmt = mysqli_stmt_init($conn);
                        if (!mysqli_stmt_prepare($stmt, $sql)) {
                            echo "SQL error4 ";
                            exit();
                        } else {
                            $hashed_password = password_hash($password, PASSWORD_DEFAULT);
                            mysqli_stmt_bind_param($stmt, 'ss', $hashed_password, $email);
                            mysqli_stmt_execute($stmt);
                            $sql = 'DELETE FROM reset_password WHERE email=?';
                            $stmt = mysqli_stmt_init($conn);
                            if (!mysqli_stmt_prepare($stmt, $sql)) {
                                echo 'SQL error5';
                                exit();
                            } else {
                                mysqli_stmt_bind_param($stmt, 's', $email);
                                mysqli_stmt_execute($stmt);
                                header("Location: ../signup.php?newpassword=updated");
                            }
                        }
                    }
                }
            }
        }
    }
    mysqli_stmt_close($stmt);
    mysqli_close($conn);

    header('Location: ../reset-password.php?reset=success');
} else {
    header('Location: ../index.php');
}

I always get this errors:

Warning: mysqli_stmt_bind_param(): Number of variables doesn't match number of parameters in prepared statement in C:\xampp\htdocs\php_login_system-master\includes\reset-password.inc.php on line 26

Warning: mysqli_fetch_assoc() expects parameter 1 to be mysqli_result, bool given in C:\xampp\htdocs\php_login_system-master\includes\reset-password.inc.php on line 30
You need to re-submit your reset request.

But i dont find the mistake in the Code. Can someone help me please

$link = mysql_connect($host,$user,$pass) or die(mysql_error());
mysql_selectdb($db,$link) or die(mysql_error());
$ag_forums_to_kunena_categories = array();

mysql_query("TRUNCATE bzhv8_kunena_messages");
mysql_query("TRUNCATE bzhv8_kunena_messages_text");
$sql = "
SELECT
 p.id AS messages_id, 
 u.name AS messages_name, 
 a.jos_id AS messages_userid, 
 p.message AS messages_text_message,
 p.posted AS messages_time,
 p.edited AS messages_modified_time,
 p.edited_by AS messages_modified_by,
 p.topic_id AS messages_thread,
 t.forum_id AS messages_catid
 
FROM jos_agora_posts AS p
LEFT JOIN jos_agora_users AS a ON a.username = p.poster
LEFT JOIN jos_agora_topics AS t ON t.id = p.topic_id
LEFT JOIN bzhv8_users AS u ON u.id = a.jos_id
 
ORDER BY p.id ASC
";
 
$res = mysql_query($sql) or die(mysql_error());
while ($row = mysql_fetch_object($res))
{
	echo $row->messages_id;
	//echo "<br />";
	//echo $row->messages_name;
	//echo "<br />";
	//echo $row->messages_userid;
	//echo "<br />";
	//echo $row->messages_text_message;
	//echo "<br />";
	//echo $row->messages_time;
	//echo "<br />";
	//echo $row->messages_modified_time;
	//echo "<br />";
	//echo $row->messages_modified_by;
	//echo "<br />";
	//echo $row->messages_thread;
	//echo "<br />";
	//echo $row->messages_catid;
	//echo "<br />";
	
	//if($row->messages_userid == '')
	//echo "userid er nul";
	//{
	//	$row->messages_userid = 0;
	//}
 
	$cat_id = $ag_forums_to_kunena_categories[$row->messages_catid];
	
	if ($cat_id != 0)
	{
		echo $cat_id;
		echo "kategori id";
		echo "<br />";
		echo "lige før den skal indsætte";
		$sql = "INSERT INTO `bzhv8_kunena_messages` VALUES (".$row->messages_id.", 0, ".$row->messages_thread.", ".$cat_id.", '".$row->messages_name."', ".$row->messages_userid.", '', '', ".$row->messages_time.", NULL, 0, 0, 0, 0, 0, 0, 0, 0, '')";
		echo "her bør den køre sql(1)";
		$sql2 = "INSERT INTO `bzhv8_kunena_messages_text` VALUES (".$row->messages_id.", '".mysql_escape_string($row->messages_text_message)."')";
		echo $sql;
		echo "lige efter anden insert echo sql";
		echo "<br />";
		echo $sql2;
		echo "<br />";
		echo "her skulle den vise anden insert";
		mysql_query($sql) or die(mysql_error());
		mysql_query($sql2) or die(mysql_error());
	}
	else
	{
	
	
    }
}
mysql_close();

mysql_query("TRUNCATE bzhv8_kunena_topics");
$sql = "
SELECT
 t.id AS topic_id,
 t.poster AS topic_poster,
 t.subject AS topic_subject, 
 t.posted AS topic_first_post_time, 
 t.last_post AS topic_last_post_time, 
 t.last_post_id AS topic_last_post_id, 
 t.last_poster AS topic_last_poster, 
 t.num_views AS topic_hits, 
 t.num_replies AS topic_posts, 
 t.closed AS topic_locked, 
 t.sticky AS topic_hold, 
 t.moved_to AS topic_moved_id, 
 t.forum_id AS topic_category_id, 
 t.question AS topic_poll_id,
 p.id AS topic_first_post_id, 
 p.posted AS topic_first_post_time, 
 a.jos_id AS topic_first_post_userid,
 p.message AS topic_first_post_message
 
FROM jos_agora_topics AS t
LEFT JOIN jos_agora_users AS a ON a.username = t.poster
LEFT JOIN jos_agora_posts AS p ON t.posted = p.posted
ORDER BY t.id ASC
";
 
$res = mysql_query($sql) or die(mysql_error());
while ($row = mysql_fetch_object($res))
{
	echo $row->topic_id;
	echo "<br />";
	if($row->topic_first_post_userid == '')
	{
		$row->topic_first_post_userid = 0;
	}
 
	$cat_id = $ag_forums_to_kunena_categories[$row->topic_category_id];
	echo $cat_id;
	echo "<br />";
	$sql = "INSERT INTO `bzhv8_kunena_topics` VALUES (".$row->topic_id.", ".$cat_id.", '".mysql_escape_string($row->topic_subject)."', 0, ".$row->topic_locked.", ".$row->topic_hold.", 0, ".$row->topic_posts.", ".$row->topic_hits.", 0, 0, 0, ".$row->topic_first_post_id.", ".$row->topic_first_post_time.", ".$row->topic_first_post_userid.", '".mysql_escape_string($row->topic_first_post_message)."', NULL, ".$row->topic_last_post_id.", ".$row->topic_last_post_time.", 0, NULL, NULL, '')";
	echo $sql;
	echo "<br />";
	mysql_query($sql) or die(mysql_error());
}