Why am I getting an error message that I am missing curly brackets when all brackets are present in PHP?

<pre>
<?php
function emptyInputSignup($name, $surname, $contact_Number, $email_Address, $organisation, $position, $username,  $password, $repeat_Password){
    $result = "";
    if(empty($name) || empty($surname) || empty($contact_Number) || empty($email_Address) || empty($organisation) || empty($position) || empty($password) || empty($repeat_Password) || empty($surname)){
        $result = true;
    }
    else{
        $result = false;
    }
    return $result;
}

function invalidUsername($username){
    $result = "";
    $pattern = "/^[a-zA-Z0-9]*$/";
    if(!preg_match($pattern, $username)){
        $result = true;
    }
    else{
        $result = false;
    }
    return $result;
}

 function invalidEmail($email_Address){
    $result = "";
    if(!filter_var($email_Address, FILTER_VALIDATE_EMAIL)){
        $result = true;
    }
    else{
        $result = false;
    }
    return $result;
}

function pswMatch($password, $repeat_Password) {
    $result = "";
    if ($password !== $repeat_Password) {
        $result = true;
    } 
    else {
        $result = false;
    }
    return $result;
}

 function UserNameExists($conn, $username, $email_Address){ 
    $sql = "SELECT * FROM user WHERE Username = ? OR Email = ?;";
    $stmt = mysqli_stmt_init($conn);

    if(!mysqli_stmt_prepare($stmt, $sql)){
        header("Location: ../pages/Users/Registration_Form.php?error=SqlStatementFailed");
        exit();
    }

    mysqli_stmt_bind_param($stmt, "ss",  $username, $email_Address);
    mysqli_stmt_execute($stmt);

    $resultData = mysqli_stmt_get_result($stmt);

    if($row = mysqli_fetch_assoc($resultData)){
        return $row;
    }
    else{
        $result = false;
        return $result;
    }
    mysqli_stmt_close($stmt);
}


function createUser($conn, $name, $surname, $contact_Number, $email_Address, $organisation, $position, $username,  $password, $repeat_Password){
    
$sql = "INSERT INTO user (Name, Surname, Contact_Number, Email, Organization, Position, Username, Password) VALUES (?,?,?,?,?,?,?,?);";
$stmt = mysqli_stmt_init($conn);

if(!mysqli_stmt_prepare($stmt, $sql)){
    header("Location: ../pages/Users/Registration_Form.php?error=SqlStatementFailed");
    exit();
}

$hashedPassword = password_hash($password, PASSWORD_DEFAULT);

mysqli_stmt_bind_param($stmt, "ssssssss",  $name, $surname, $contact_Number, $email_Address, $organisation, $position, $username,  $hashedPassword);
mysqli_stmt_execute($stmt);
mysqli_stmt_close($stmt);
header("Location: ../pages/Users/Registration_Form.php?error=noErrors");
exit();
}

'}' expected.