Adding a Calendar or managing subscription displays a page not found
The requested URL /horde/kronolith/calendars/calendars/ was not found on this server.
The requested URL /horde/kronolith/calendars/ics.php was not found on this server.
Creation of a new calendar does seem to complete even though the error is shown. Refreshing the page shows Calendar XXXX has been created.
Browser Firefox 3.6 on Linux. I have not tried other browsers or OSs.