Fatal error: Uncaught Error: Class "WP_REST_Controller" not found in /home/aujlaandassociat/public_html/wp-content/plugins/regenerate-thumbnails/includes/class-regeneratethumbnails-rest-controller.php:14 Stack trace: #0 {main} thrown in /home/aujlaandassociat/public_html/wp-content/plugins/regenerate-thumbnails/includes/class-regeneratethumbnails-rest-controller.php on line 14