Mensaje de error

Notice: MemcachePool::getstats(): Server 127.0.0.1 (tcp 11211, udp 0) failed with: Connection refused (111) in require_once() (line 19 of /home/www/www.eluniversal.com.co/mundial/rusia-2018/sites/all/modules/memcache/memcache-lock.inc).