Fatal error: Uncaught Error: Interface 'WPMailSMTP\Compatibility\Plugin\PluginInterface' not found in E:\www\web\wp-content\plugins\wp-mail-smtp\src\Compatibility\Plugin\PluginAbstract.php:12 Stack trace: #0 {main} thrown in E:\www\web\wp-content\plugins\wp-mail-smtp\src\Compatibility\Plugin\PluginAbstract.php on line 12