Fatal error: Uncaught Error: Class "WP_REST_Meta_Fields" not found in /home/marketpl/public_html/marketpl_dev/functions_back2812.php/rest-api/fields/class-wp-rest-post-meta-fields.php:17 Stack trace: #0 {main} thrown in /home/marketpl/public_html/marketpl_dev/functions_back2812.php/rest-api/fields/class-wp-rest-post-meta-fields.php on line 17