Warning: Use of undefined constant rsssl_le_path - assumed 'rsssl_le_path' (this will throw an Error in a future version of PHP) in E:\www\web\wp-content\plugins\really-simple-ssl\lets-encrypt\integrations\plesk\plesk.php on line 28

Warning: require_once(rsssl_le_pathvendor/autoload.php): failed to open stream: No such file or directory in E:\www\web\wp-content\plugins\really-simple-ssl\lets-encrypt\integrations\plesk\plesk.php on line 28

Fatal error: require_once(): Failed opening required 'rsssl_le_pathvendor/autoload.php' (include_path='E:\XAMPP\php\PEAR') in E:\www\web\wp-content\plugins\really-simple-ssl\lets-encrypt\integrations\plesk\plesk.php on line 28