Fatal error: Uncaught Error: Class 'WP_REST_Controller' not found in /home/oho09/public_html/lekcjatestdm/wp-includes/rest-api/endpoints/class-wp-rest-global-styles-controller.php:13 Stack trace: #0 {main} thrown in /home/oho09/public_html/lekcjatestdm/wp-includes/rest-api/endpoints/class-wp-rest-global-styles-controller.php on line 13