Frontend http://csillamvilag.com is loading a blank page
Backend http://csillamvilag.com/wp-admin/ returns an error
Fatal error: Call to undefined function apc_delete() in /var/www/clients/client1/web1/web/wp-content/plugins/w3-total-cache/lib/W3/Cache/Apc.php on line 134
We are on nginx and have Varnish installed for caching.