Fatal error: Uncaught Error: Class 'IXR_Server' not found in H:\root\home\agubski-002\www\alexgubski\blog\wp-includes\class-wp-xmlrpc-server.php:24 Stack trace: #0 {main} thrown in H:\root\home\agubski-002\www\alexgubski\blog\wp-includes\class-wp-xmlrpc-server.php on line 24