Fatal error: Uncaught Error: Class 'IXR_Server' not found in /srv/users/barryparr/apps/parr/public/wp-includes/IXR/class-IXR-introspectionserver.php:9 Stack trace: #0 {main} thrown in /srv/users/barryparr/apps/parr/public/wp-includes/IXR/class-IXR-introspectionserver.php on line 9