Fatal error: Uncaught Error: Interface 'SimplePie\Cache\Base' not found in D:\xampp\htdocs\main\wp-includes\SimplePie\src\Cache\Memcached.php:25 Stack trace: #0 {main} thrown in D:\xampp\htdocs\main\wp-includes\SimplePie\src\Cache\Memcached.php on line 25