Fatal error: Uncaught Error: Class 'IXR_Server' not found in C:\xampp\htdocs\esenciaonline-pro\wp-includes\class-wp-xmlrpc-server.php:24 Stack trace: #0 {main} thrown in C:\xampp\htdocs\esenciaonline-pro\wp-includes\class-wp-xmlrpc-server.php on line 24