ricahsu@Ericade-MBP:~/job-listing-7% rails s
=> Booting Puma
=> Rails 5.0.0 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
Exiting
/Users/ericahsu/.rvm/gems/ruby-2.3.1/gems/actionpack-5.0.0/lib/action_dispatch/routing/mapper.rb:872:in `controller': wrong number of arguments (given 0, expected 1..2) (ArgumentError)