Uninitialized constant ActiveRecord::VERSION

Rails
1

I can´t create my data base with rake db:create

erro:
rake aborted!
uninitialized constant ActiveRecord::VERSION

-gem list

actionmailer (2.2.2)
actionpack (2.2.2)
activerecord (2.2.2)
ActiveRecord-JDBC (0.5)
activerecord-jdbc-adapter (0.9.1)
activeresource (2.2.2)
activesupport (2.2.2)
jruby-openssl (0.5.1)
rails (2.2.2)
rake (0.8.7)
rspec (1.2.6)
sources (0.0.1)

I forget something?

–
Horus Augustus C. C. Lima

Sagarana Tech
Mobile +55(85)8842.4402
Desk +55(85)3304.6530
[email protected]
http://www.sagaranatech.com