[kronolith] strange error

[Ben Chavet]

> Warning: main(Date/Calc.php): failed to open stream: No such file or
> directory in /var/www/html/horde/kronolith/lib/base.php on line 63
>
> Fatal error: main(): Failed opening required
> 'Date/Calc.php' 
> (include_path='.:/php/includes:/usr/share/php:/usr/bin/pear:/usr/share/pear') in /var/www/html/horde/kronolith/lib/base.php on line 
> 63

Calc.php is part of the Date pear package.  Install the Date package 
and any of
its dependencies.

--Ben