This is the error:
[Wed Oct 18 16:54:56 2006] [error] [client 81.86.145.67] Symbolic link not allowed: /var/www/vhosts/trac-beatabet

This is my vhost:
<VirtualHost *:80>
DocumentRoot "/var/www/vhosts/trac-beatabet"
ServerName trac.beatabet.net
Options FollowSymLinks

    <Location />
        SetHandler mod_python
        PythonHandler trac.web.modpython_frontend
        PythonOption TracEnv /home/beatabet/trac
        PythonOption TracUriRoot /
        Allow from all
    </Location>
#    <Location /login>
#        AuthType Basic
#        AuthName "Beatabet Trac Server"
#        AuthUserFile /home/beatabet/trac/.htpasswd
#        Require valid-user
#    </Location>

</VirtualHost>