Context Page

When i try to press on any cotext i created before, it doesn’t sense.and there is no a response

httpd logs:

[Tue Jan 13 16:49:56 2009] [error] [client 192.168.16.198] PHP Notice: Undefined variable: context in /var/www/html/admin/modules/context/page.context.php on line 308, referer: http://IP/admin/config.php?
skip=0&display=context&context=from-Supervisor

any suggestions pls?