Php mailer - message could not be sent. Mailer error: invalid address: (cc):

Message could not be sent. Mailer Error: Invalid address: (cc):

$mail = new PHPMailer(true); // Passing `true` enables exceptions
try {
    //Server settings
    //$mail->SMTPDebug = 2;                                 // Enable verbose debug output
    $mail - > isSMTP(); // Set mailer to use SMTP
    $mail - > Host = 'mail.smtp2go.com'; // Specify main and backup SMTP servers
    $mail - > SMTPAuth = true; // Enable SMTP authentication
    $mail - > Username = 'xxx'; // SMTP username
    $mail - > Password = 'xxx'; // SMTP password
    $mail - > SMTPSecure = 'tls'; // Enable TLS encryption, `ssl` also accepted
    $mail - > Port = 2525; // TCP port to connect to

    //Recipients
    $mail - > AllowEmpty = true;
    $mail - > setFrom('adrian@ic-express.co.za', 'Adrian Boshoff');
    //$mail->addAddress($mrow['email']); //This is an example of creating a variable from an array field
    $mail - > addAddress($email); //This is an example of creating a variable from an array field
    $mail - > addReplyTo('adrian@ic-express.co.za');
    $mail - > addCC($addemail);
    $mail - > AllowEmpty = true;
    //$mail->addBCC('adrian@ic-express.co.za');

    //Attachments
    $mail - > addAttachment('eco.pdf'); // Add attachments
    //$mail->addAttachment('/tmp/image.jpg', 'new.jpg');    // Optional name

    $mail - > isHTML(true); // Set email format to HTML
    $mail - > Subject = $subject;
    $mail - > Body = << < END < !doctype html >
        < html xmlns = "http://www.w3.org/1999/xhtml"
    xmlns: v = "urn:schemas-microsoft-com:vml"
    xmlns: o = "urn:schemas-microsoft-com:office:office" >
        < head >
        <!-- NAME: SELL PRODUCTS -->

$mail->AllowEmpty = true;