[horde] Passwd problem

[Soumz S]

Hi,
         Am currently runing Horde with QMail Toaster n am running 
problems installing Passwd..

     Has anyone done this b4?

Am getting error messages like:

Notice: Undefined index: protocol in 
/usr/share/toaster/htdocs/horde/passwd/lib/Driver/vpopmail.php on 
line 55

Notice: Undefined offset: 1 in 
/usr/share/toaster/htdocs/horde/passwd/lib/Driver/vpopmail.php on 
line 125
   Failure in changing password : User not found



I have no idea y..

Since i installed vpopnmail thru thr toaster..i done have a 
pw_domain field...

ANy help will be appreciated..

Thanks
Soumya