Fatal error: Uncaught Error: Class 'WPMailSMTP\Pro\Emails\Logs\Tracking\Events\Injectable\AbstractInjectableEvent' not found in /home/ursatac/public_html/wp-content/plugins/wp-mail-smtp-pro/src/Pro/Emails/Logs/Tracking/Events/Injectable/OpenEmailEvent.php:10 Stack trace: #0 {main} thrown in /home/ursatac/public_html/wp-content/plugins/wp-mail-smtp-pro/src/Pro/Emails/Logs/Tracking/Events/Injectable/OpenEmailEvent.php on line 10