Fatal error: Uncaught Error: Class 'WP_REST_Controller' not found in /home/pubconcom/public_html/wp-content/plugins/wcfm-marketplace-rest-api/core/class-wcfmapi-rest-controller.php:10 Stack trace: #0 {main} thrown in /home/pubconcom/public_html/wp-content/plugins/wcfm-marketplace-rest-api/core/class-wcfmapi-rest-controller.php on line 10