Redmine

Hey,

I am trying install the redmine new version for v2.3.3,and install is successfully.
but, when i logon,received an internal 500 error:

NameError (undefined local variable or method `salt' for #<User:0xc334134>):
app/models/user.rb:262:in `check_password?'
app/models/user.rb:167:in `try_to_login'
app/controllers/account_controller.rb:166:in `password_authentication'
app/controllers/account_controller.rb:161:in `authenticate_user'
app/controllers/account_controller.rb:32:in `login'
...

my environment is：
ruby: ruby 2.0.0p247 (2013-06-27 revision 41674) [i686-linux]
rails: Rails 3.2.13
Operating system:CentOS 5.6
database:mysql 5.0.75
Ruby-aware server:Webrick

Could I get some assistance?

Thanks!