Warning: require(/home/content/74/11990074/html/wp-includes/class-wp-hook.php) [function.require]: failed to open stream: No such file or directory in /home/content/74/11990074/html/wp-includes/plugin.php on line 25

Fatal error: require() [function.require]: Failed opening required '/home/content/74/11990074/html/wp-includes/class-wp-hook.php' (include_path='.:/usr/local/php5_3/lib/php') in /home/content/74/11990074/html/wp-includes/plugin.php on line 25