Fatal error: Uncaught Error: Call to undefined function add_action() in /nfs/aesop1/hw00/d88/ecc/wordpress/wp-content/plugins/wp-super-cache/inc/delete-cache-button.php:41 Stack trace: #0 /nfs/aesop1/hw00/d88/ecc/wordpress/wp-content/plugins/wp-super-cache/wp-cache.php(34): require_once() #1 {main} thrown in /nfs/aesop1/hw00/d88/ecc/wordpress/wp-content/plugins/wp-super-cache/inc/delete-cache-button.php on line 41