Fatal error

Hello

Still new to this and was wondering after hours of testing if someone 
could give me a hint on this. Thank you

Dennis Kaplan

** ERROR **

Fatal error: Call to a member function on a non-object in ...
on line: $user_id = $admin->addUser($data, $level);

** INFO **
I am using the admin example 3 and I have added a email field to the 
mySQL DB

** CODE **
<?php
if (isset($_POST['submit'])) {
	$data = array(
		'handle'	=> $_REQUEST['handle'],
		'email'		=> $_REQUEST['email'],
		'passwd'	=> $_REQUEST['passwd']
	);
	$level = 1;
	$user_id = $admin->addUser($data, $level);
}

?>
<form method="post">
	<input type="text" name="handle" size="6" maxlength="80">
	<input type="text" name="email" size="10" maxlength="80">
	<input type="password" name="passwd" size="6" maxlength="80">
	<input name="submit" type="submit" value="Submit">
</form><br />