Fatal error: Uncaught Error: Interface 'WPMailSMTP\Providers\MailerInterface' not found in /home/clmepl5/public_html/web/app/plugins/wp-mail-smtp/src/Providers/MailerAbstract.php:18 Stack trace: #0 {main} thrown in /home/clmepl5/public_html/web/app/plugins/wp-mail-smtp/src/Providers/MailerAbstract.php on line 18