# wrong number of arguments (0 for 1) (ArgumentError)

**URL:** <https://discuss.rubyonrails.org/t/wrong-number-of-arguments-0-for-1-argumenterror/55674>\
**Category:** rubyonrails-talk\
**Created:** [November 12, 2010, 6:45am UTC](https://discuss.rubyonrails.org/t/wrong-number-of-arguments-0-for-1-argumenterror/55674 "2010-11-12T06:45:58Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![11155](https://avatars.discourse-cdn.com/v4/letter/1/d26b3c/32.png) [@11155](https://discuss.rubyonrails.org/u/11155)\
**Post date:** [November 12, 2010, 6:45am UTC](https://discuss.rubyonrails.org/t/wrong-number-of-arguments-0-for-1-argumenterror/55674/1 "2010-11-12T06:45:58Z")

</div>

if i run rails serve i am fa C:\forex\>rails server =\> Booting WEBrick =\> Rails 3.0.0 application starting in development on [http://0.0.0.0:3000](http://0.0.0.0:3000) =\> Call with -d to detach =\> Ctrl-C to shutdown server Exiting C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active\_support/cache/file\_store.rb:17:in `initialize': wrong number of arguments (0 for 1) (ArgumentError) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/cache.rb:69:in `new' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active\_support/cache.rb:69:in `lookup_store' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-3.0.0/lib/action_controller/caching.rb:49:in `cache\_store=' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-3.0.0/lib/action\_controller/railtie.rb:54:in `block (3 levels) in \<class:Railtie\>' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-3.0.0/lib/action_controller/railtie.rb:54:in `each' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-3.0.0/lib/action\_controller/railtie.rb:54:in `block (2 levels) in \<class:Railtie\>' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/lazy_load_hooks.rb:36:in `instance\_eval' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active\_support/lazy\_load\_hooks.rb:36:in `execute_hook' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/lazy_load_hooks.rb:26:in `on\_load' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-3.0.0/lib/action\_controller/railtie.rb:52:in `block in \<class:Railtie\>' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/initializable.rb:25:in `instance\_exec' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/initializable.rb:25:in `run' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/initializable.rb:50:in `block in run\_initializers' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/initializable.rb:49:in `each' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/initializable.rb:49:in `run\_initializers' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/application.rb:134:in `initialize!' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/application.rb:77:in `method\_missing' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/forex/config/environment.rb:5:in `\<top (required)\>' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active\_support/dependencies.rb:239:in `block in require' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `block in load\_dependency' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active\_support/dependencies.rb:591:in `new_constants_in' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `load\_dependency' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active\_support/dependencies.rb:239:in `require' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/forex/config.ru:3:in `block in \<main\>' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/builder.rb:46:in `instance_eval' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/builder.rb:46:in `initialize' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/forex/config.ru:1:in `new' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/forex/config.ru:1:in `\<main\>' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/builder.rb:35:in `eval' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/builder.rb:35:in `parse\_file' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/server.rb:162:in `app' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/server.rb:248:in `wrapped\_app' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/server.rb:213:in `start' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/commands/server.rb:65:in `start' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/commands.rb:30:in `block in \<top (required)\>' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/commands.rb:27:in `tap' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/commands.rb:27:in `\<top (required)\>' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from script/rails:6:in `require' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;from script/rails:6:in `\<main\>'