Fatal error: Uncaught Error: Interface "WPMailSMTP\Admin\PageInterface" not found in /home/sites/14b/d/de45cfcc2b/public_html/wp-content/plugins/wp-mail-smtp/src/Admin/PageAbstract.php:12 Stack trace: #0 {main} thrown in /home/sites/14b/d/de45cfcc2b/public_html/wp-content/plugins/wp-mail-smtp/src/Admin/PageAbstract.php on line 12