Fatal error: Uncaught Error: Class 'WP_REST_Meta_Fields' not found in /nfs/bronfs/uwfs/hw00/d47/davislab/wordpress/wp-includes/rest-api/fields/class-wp-rest-post-meta-fields.php:17 Stack trace: #0 {main} thrown in /nfs/bronfs/uwfs/hw00/d47/davislab/wordpress/wp-includes/rest-api/fields/class-wp-rest-post-meta-fields.php on line 17