[horde] Error when trying to authenticate using imp

[Jody Cleveland]

> I believed we share the same problem. Mine has been fixed 
> yesterday, though. Anyway, what I did was, in 
> /horde/config/conf.php, I omitted $conf['prefs']['*'] and 
> $conf['datatree']['*'] from my configuration. What I have now 
> are just the $conf['prefs']['driver'] and 
> $conf['datatree']['driver']. 

Tried that, but still the same error message.

Jody