Fatal error: Uncaught Error: Interface 'WPMailSMTP\Admin\PageInterface' not found in /home/ursatac/public_html/wp-content/plugins/wp-mail-smtp-pro/src/Admin/PageAbstract.php:12 Stack trace: #0 {main} thrown in /home/ursatac/public_html/wp-content/plugins/wp-mail-smtp-pro/src/Admin/PageAbstract.php on line 12