Backup process has failed

[nos4]

i havebackup set to run every am at 3 . i recieve this error below in email but no backup in dumps dir.
any ideas on this appreciated.
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Postgres is not configured: all postgres databases will not be dumped.

START LOGGING: Sat May 07 04:30:10

Postgres is not configured: all postgres databases will not be dumped.

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Making backup to STDOUT ...dumping crontab of domainadmin
[Sat May 7 04:30:12 2005] dumping mysql database mysql_db ... done
[Sat May 7 04:30:13 2005] dumping hosting user data for domain '/home/httpd/vhosts/fakedomain.com' ... done
[Sat May 7 04:31:12 2005] dumping hosting system data for domain '/home/httpd/vhosts/fakedomain.com' ... done
[Sat May 7 04:31:17 2005] dumping subdomain hosting '/home/httpd/vhosts/fakedomain.com/subdomains/subdomain' ... done
[Sat May 7 04:31:52 2005] dumping directory '/var/qmail/mailnames/fakedomain.com/username/.' ... done
Backup process is done.

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Single domain backup is successfully completed