I’m also encountering a fatal error with this 4.0.0 update. Strangely, I’m also having problems with automatically updating Adminimize and WordPress-Petition, so I’m beginning to wonder if it’s a problem with WP v2.6.3????
I’m on 3.5.7 Minimeta Version, and have upgraded WP to 2.7. Now, when i want to logout from the Minimeta Widget button “Logout”, doesn’t work.
If i try to logout from the dashboard, it runs ok, and the logout URL is different (something like logout&_wpnonce=g9102ms99).
How can i solve it? I tries to update the pluggin, but it was a disaster!!! And i backed out to 3.5.7, but i can’t logout!