How to fix memcached?

Question

memcached

Hello everyone, when I go to the site, I get the following error:

Fatal error: Cannot redeclare class memcached in /var/www/user/data/www/robobanner.ru/application/libraries/memcached.php on line 3

In what actually there can be a reason?

Answer 1

you are trying to declare the same class a second time. once is enough