Warning: require(/html/wordpress/wp-includes/class-wp-post.php) [function.require]: failed to open stream: No such file or directory in /html/wordpress/wp-settings.php on line 171

Fatal error: require() [function.require]: Failed opening required '/html/wordpress/wp-includes/class-wp-post.php' (include_path='.:/usr/local/php/lib/php:/usr/local/php/lib/php/PEAR') in /html/wordpress/wp-settings.php on line 171