Fatal error: Uncaught Error: Class 'PHPMailer\PHPMailer\PHPMailer' not found in C:\xampp\htdocs\wp-content\plugins\wp-mail-smtp\src\MailCatcherV6.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wp-content\plugins\wp-mail-smtp\src\MailCatcherV6.php on line 13