Fatal error: Uncaught Error: Class "WP_REST_Controller" not found in C:\xampp\htdocs\krustpilsbaznica.lv\public_html\wp-content\plugins\jetpack\_inc\lib\core-api\wpcom-endpoints\gutenberg-available-extensions.php:22 Stack trace: #0 {main} thrown in C:\xampp\htdocs\krustpilsbaznica.lv\public_html\wp-content\plugins\jetpack\_inc\lib\core-api\wpcom-endpoints\gutenberg-available-extensions.php on line 22