Show error

Hello I am testing in my website and show this error

Fatal error: Cannot redeclare apc_not_actually_running() (previously declared in /home/mirutweb/public_html/wp-content/object-cache.php:376) in /home/mirutweb/public_html/wp-content/plugins/apc/object-cache.php on line 375

https://wordpress.org/plugins/apc/