I just want to add that I fixed this issue, credit goes to this page http://www.redmine.org/boards/1/topics/38777?r=40002
As root, run gem install rack -v 1.4.5 Go to /usr/share/redmine Edit Gemfile Third line down (after source) add: gem "rack", "1.4.5" Then run bundle update (from /usr/share/redmine Restart apache, and it should work Of course, don't forget to change the adapter in /etc/redmine/default/database.yml to: adapter: mysql2 (credit for that one goes to bug # 1240705) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1239686 Title: Internal error while trying to login in Redmine 2.3.1-1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/redmine/+bug/1239686/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs