Fatal error: Uncaught Error: Class 'WP_REST_Controller' not found in J:\MAIN\SITES\WWW\SITES1\wp-content\plugins\elementor\data\base\controller.php:9 Stack trace: #0 {main} thrown in J:\MAIN\SITES\WWW\SITES1\wp-content\plugins\elementor\data\base\controller.php on line 9