[Mediawiki-l] Content no longer visible

[Platonides]

Rob Davis wrote:
>      Hello,
> 
>      A group of people and I recently started using Mediawiki for a large
> set of study notes. We started with the standard installation, users began
> creating content, etc. I then took my first stab at editing
> localsettings.php to restrict user privileges. Ever since doing so, all of
> the content that had been created is no longer visible.
>      I have tried going back and commenting out the lines in
> localsettings.php that I remember modifiying, but the content remains
> invisible.
>      Can anyone help? There is a large group of people who are ready to kill
> me because they think I erased all of their content. I sincerely hope that
> this is not the case!
> 
> Best regards,
> Rob

You haven't deleted anything.

Comment all the lines referring to $wgGroupPermissions
You probably did $wgGroupPermissions['*']['read'] = false; so your users
can't read the content unless they are logged in (did they try?).