Fatal error: Uncaught Error: Class 'IXR_Server' not found in /opt/lampp/htdocs/anychinavisa/job/backup/wp-includes/class-wp-xmlrpc-server.php:23 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/anychinavisa/job/backup/wp-includes/class-wp-xmlrpc-server.php on line 23