Fatal error: Uncaught Error: Call to undefined function WP_Rocket\Subscriber\Plugin\filter_input() in /usr/local/www/wordpress/wp-content/plugins/wp-rocket/inc/classes/subscriber/Plugin/class-updater-subscriber.php:256 Stack trace: #0 /usr/local/www/wordpress/wp-includes/class-wp-hook.php(324): WP_Rocket\Subscriber\Plugin\Updater_Subscriber->maybe_force_check('') #1 /usr/local/www/wordpress/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array) #2 /usr/local/www/wordpress/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #3 /usr/local/www/wordpress/wp-content/plugins/wp-rocket/inc/main.php(98): do_action('wp_rocket_loade...') #4 /usr/local/www/wordpress/wp-includes/class-wp-hook.php(324): rocket_init('') #5 /usr/local/www/wordpress/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #6 /usr/local/www/wordpress/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #7 /usr/local/www/wordpress/wp-settings.php(555): do_action('plugins_loaded') #8 /usr/local/www/wordpress/wp-config.php(98): require_once('/usr/local/www/...') #9 /usr/local/www/wordpress/wp-load.php(50): require_once('/usr/local/www/...') #10 /usr/local/www/wordpress/wp-blog-header.php(13): require_once('/usr/local/www/...') #11 /usr/local/www/wordpress/index.php(17): require('/usr/local/www/...') #12 {main} thrown in /usr/local/www/wordpress/wp-content/plugins/wp-rocket/inc/classes/subscriber/Plugin/class-updater-subscriber.php on line 256