Missing website after updating plugins

This is the message I get when trying to look up my site
Warning: require(/hermes/bosoraweb010/b84/ipg.erikasfreshflowersco/wp-includes/date.php): failed to open stream: No such file or directory in /hermes/bosoraweb010/b84/ipg.erikasfreshflowersco/wp-settings.php on line 110 Fatal error: require(): Failed opening required ‘/hermes/bosoraweb010/b84/ipg.erikasfreshflowersco/wp-includes/date.php’ (include_path=’.:/usr/local/lib/php-5.3.13/lib/php’) in /hermes/bosoraweb010/b84/ipg.erikasfreshflowersco/wp-settings.php on line 110