SAMBA not working on FreeBSD 5.3

[pesja]

I did a clean install of FreeBSD 5.3 (minimal + Samba and depencys) After I installed Plesk everything worked great (faster then Fedora Core 2), except the Samba-module. The error message I received when I enabled the Samba server:

FileServerManager::start() failed: Unable to start fileserver: filesrvmng failed: filesrvmng: Unable to find start/stop script for 'samba' System error 2: No such file or directory

and

0: /usr/local/psa/admin/htdocs/modules/fileserver/index.php:24 psaerror(string "FileServerManager::start() failed: Unable to start fileserver: filesrvmng failed: filesrvmng: Unable to find start/stop script for 'samba' System error 2: No such file or directory")

In my mind I did nothing wrong, so please can somebody help me