Fatal error: Uncaught Error: Call to undefined method WP_Http::request() in /srv/users/serverpilot/apps/wordpress/public/wp-includes/class-http.php:589 Stack trace: #0 /srv/users/serverpilot/apps/wordpress/public/wp-includes/http.php(187): WP_Http->post('https://www.phi...', Array) #1 /srv/users/serverpilot/apps/wordpress/public/wp-includes/cron.php(363): wp_remote_post('https://www.phi...', Array) #2 /srv/users/serverpilot/apps/wordpress/public/wp-includes/cron.php(390): spawn_cron(1529615936.2034) #3 /srv/users/serverpilot/apps/wordpress/public/wp-includes/class-wp-hook.php(286): wp_cron('') #4 /srv/users/serverpilot/apps/wordpress/public/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #5 /srv/users/serverpilot/apps/wordpress/public/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #6 /srv/users/serverpilot/apps/wordpress/public/wp-settings.php(450): do_action('init') #7 /srv/users/serverpilot/apps/wordpress/public/wp-config.php(101): require_once('/srv/users/serv...') #8 /srv/users/serverpi in /srv/users/serverpilot/apps/wordpress/public/wp-includes/class-http.php on line 589