Rails Forem安装协助

所以我在过去几个小时内一直试图安装它，并且在尝试运行 rails s 时遇到以下错误，或者如果我尝试使用 rails g forem:install 安装它

/usr/lib64/ruby/gems/1.8/gems/activesupport-3.2.11/lib/active_support/dependencies.rb:245:in"load':/home/forem/config/initializers/session_store.rb:3：语法错误，意外'：'，期待$ end（SyntaxError）... sion_store：cookie_store，key：'_ forums_session'^来自/usr/lib64/ruby/gems/1.8/gems/activesupport-3.2.11/lib/active_support /dependencies.rb:245:in来自/ usr / lib64 / ruby的/usr/lib64/ruby/gems/1.8/gems/activesupport-3.2.11/lib/active_support/dependencies.rb:236:in load_dependency' /gems/1.8/gems/activesupport-3.2.11/lib/active_support/dependencies.rb:245:in load'来自/usr/lib64/ruby/gems/1.8/gems/railties-3.2.11/lib/rails/ engine.rb：588来自/usr/lib64/ruby/gems/1.8/gems/railties-3.2.11/lib/rails/engine.rb:587:in每个'来自/usr/lib64/ruby/gems/1.8/ gems / railties-3.2.11 / lib / rails / engine.rb：587来自/usr/lib64/ruby/gems/1.8/gems/railties-3.2.11/lib/rails/initializable.rb:30:in instance_exec'来自/usr/lib64/ruby/gems/1.8/gems/railties-3.2.11/lib/rails/initializable.r b：30：在运行'from /usr/lib64/ruby/gems/1.8/gems/railties-3.2.11/lib/rails/initializable.rb:55:in run_initializers'from / usr / lib64 / ruby / gems / 1.8 / gems / railties-3.2.11 / lib / rails / initializable.rb：54：in each from /usr/lib64/ruby/gems/1.8/gems/railties-3.2.11/lib/rails/initializable.rb ：54：在run_initializers中，来自/usr/lib64/ruby/gems/1.8/gems/railties-3.2.11/lib/rails/application.rb:136:in initialize！'来自/usr/lib64/ruby/gems/1.8/gems/railties-3.2.11/lib/rails/railtie/configurable.rb:30:in发送'来自/usr/lib64/ruby/gems/1.8/gems/railties -3.2.11 / lib / rails / railtie / configurable.rb：30：from /home/forem/config/environment.rb:5中的method_missing'来自/usr/lib64/ruby/gems/1.8/gems/activesupport-3.2 .11 / lib / active_support / dependencies.rb：251：在require'from /usr/lib64/ruby/gems/1.8/gems/activesupport-3.2.11/lib/active_support/dependencies.rb:251:in require'from来自/usr/lib64/ruby/gems/1.8/gems/activesupport-3.2的/usr/lib64/ruby/gems/1.8/gems/activesupport-3.2.11/lib/active_support/dependencies.rb:236:inload_dependency' . 11 / lib / active_support / dependencies.rb：251：in require'from /usr/lib64/ruby/gems/1.8/gems/railties-3.2.11/lib/rails/application.rb:103:in require_environment！' from /usr/lib64/ruby/gems/1.8/gems/railties-3.2.11/lib/rails/commands.rb:25 from script / rails：6：inrequire'from script / rails：6

那么我在这里缺少什么或者......？

我下载的是这一个： https://github.com/radar/forem.heroku.com