PLEASE HELP??

I have just upgraded to latest version of joomla and Now I cant login to my jomsocial backend I get this message:

Warning: require_once(/var/www/web/components/com_community/models/community.php): failed to open stream: No such file or directory in /var/www/web/components/com_community/libraries/core.php on line 656 Fatal error: require_once(): Failed opening required...PLEASE HELP??

I have just upgraded to latest version of joomla and Now I cant login to my jomsocial backend I get this message:

Warning: require_once(/var/www/web/components/com_community/models/community.php): failed to open stream: No such file or directory in /var/www/web/components/com_community/libraries/core.php on line 656 Fatal error: require_once(): Failed opening required '/var/www/web/components/com_community/models/community.php' (include_path='.:/usr/share/pear:/usr/share/php') in /var/www/web/components/com_community/libraries/core.php on line 656 Show more

Tested socialize

hello is this the standard templte that will ship with version 4