I found that this message can be ignored and focused on the site collection feature activation. This was only available as MOSS ADmin or Site Collection Admin, so make sure you have the appropriate permissions.
Once logged in I went to Site Actions > Site Settings > Site Collection Administration > Site Collection features
Activated "Document Rating"
Forv the iniotitla Rating/voting I used the new added Content Types underneath the
- Document Rating
- Event Rating
- Issue Rating
- Item Rating
- Link rating
- Picture Rating
To activate features on several sites I used the stsadm extension gl-activatefeature
This can be downloaded from http://stsadm.blogspot.com/
I hope this works for you as well.