Fatal error: Uncaught PHPMailer\PHPMailer\Exception: Invalid address: (to): in C:\Apache24\htdocs\vendor\phpmailer\phpmailer\src\PHPMailer.php:1094 Stack trace: #0 C:\Apache24\htdocs\vendor\phpmailer\phpmailer\src\PHPMailer.php(1014): PHPMailer\PHPMailer\PHPMailer->addOrEnqueueAnAddress('to', NULL, '') #1 C:\Apache24\htdocs\pernoite\email-html.php(21): PHPMailer\PHPMailer\PHPMailer->addAddress(NULL, '') #2 {main} thrown in C:\Apache24\htdocs\vendor\phpmailer\phpmailer\src\PHPMailer.php on line 1094