Fatal error: Uncaught Error: Interface "WPMailSMTP\Pro\Alerts\Handlers\HandlerInterface" not found in /home/dcg/public_html/wp-content/plugins/wp-mail-smtp-pro/src/Pro/Alerts/Providers/CustomWebhook/Handler.php:16 Stack trace: #0 {main} thrown in /home/dcg/public_html/wp-content/plugins/wp-mail-smtp-pro/src/Pro/Alerts/Providers/CustomWebhook/Handler.php on line 16