Fatal error: Uncaught Error: Class "WP_REST_Controller" not found in /home/mhd-01/www.italia45-45.it/htdocs/wp-content/plugins/block-visibility/includes/rest-api/controllers/class-block-visibility-rest-settings-controller.php:19 Stack trace: #0 /home/mhd-01/www.italia45-45.it/htdocs/wp-content/plugins/block-visibility/includes/rest-api/register-routes.php(33): require_once() #1 /home/mhd-01/www.italia45-45.it/htdocs/wp-content/plugins/block-visibility/includes/class-block-visibility.php(91): include_once('...') #2 /home/mhd-01/www.italia45-45.it/htdocs/wp-content/plugins/block-visibility/includes/class-block-visibility.php(64): Block_Visibility->includes() #3 /home/mhd-01/www.italia45-45.it/htdocs/wp-content/plugins/block-visibility/includes/class-block-visibility.php(28): Block_Visibility->__construct() #4 /home/mhd-01/www.italia45-45.it/htdocs/wp-content/plugins/block-visibility/block-visibility.php(36): Block_Visibility::instance() #5 /home/mhd-01/www.italia45-45.it/htdocs/wp-includes/plugin.php(496): block_visibility_load_plugin() #6 /home/mhd-01/www.italia45-45.it/htdocs/wp-settings.php(237): do_action() #7 /home/mhd-01/www.italia45-45.it/htdocs/wp-config.php(80): require_once('...') #8 /home/mhd-01/www.italia45-45.it/htdocs/wp-load.php(29): require_once('...') #9 /home/mhd-01/www.italia45-45.it/htdocs/wp-blog-header.php(12): require_once('...') #10 /home/mhd-01/www.italia45-45.it/htdocs/index.php(17): require('...') #11 {main} thrown in /home/mhd-01/www.italia45-45.it/htdocs/wp-content/plugins/block-visibility/includes/rest-api/controllers/class-block-visibility-rest-settings-controller.php on line 19