Fatal error: Uncaught Error: Interface "WPMailSMTP\Providers\OptionsInterface" not found in C:\xampp\htdocs\wordpress\wp-content\pluginsBK\wp-mail-smtp\src\Providers\OptionsAbstract.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wordpress\wp-content\pluginsBK\wp-mail-smtp\src\Providers\OptionsAbstract.php on line 12