If you get an error, and only some users are upgraded, try refreshing the page to upgrade remaining users.
Fatal error: Call to a member function getUsername() on null in /home/crazybgd/public_html/Gallery/classes/gallery/UserDB.php on line 337
Warning: Unknown: open(/home/users/web/b180/ipw.crazybgd/phpsessions/sess_cjpn0jaqh2p63herghqo78v631, O_RDWR) failed: No such file or directory (2) in Unknown on line 0
Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/home/users/web/b180/ipw.crazybgd/phpsessions) in Unknown on line 0