Warning: require_once(/wp-includes/pomo/entry.php) [function.require-once]: failed to open stream: No such file or directory in /wp-includes/pomo/translations.php on line 10

Fatal error: require_once() [function.require]: Failed opening required '/wp-includes/pomo/entry.php' (include_path='.:/:/usr/local/php53/lib/pear') in /wp-includes/pomo/translations.php on line 10