New Error when doing scaffold

hello.rb

C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-4.0.0/lib/active_support/values/time_zone.rb:282: warning: circular argument reference - now
DEPRECATION WARNING: config.whiny_nils option is deprecated and no longer works. (called from block in <top (required)> at D:/RubyProjects/Part-3/Chapter_13/rails/mydiary/config/environments/development.rb:10)
config.eager_load is set to nil. Please update your config/environments/*.rb files accordingly:

  * development - set it to false
  * test - set it to false (unless you use a tool that preloads your test environment)
  * production - set it to true

C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/actionpack-4.0.0/lib/action_view/railtie.rb:26:in `block (3 levels) in <class:Railtie>': undefined method `debug_rjs=' for ActionView::Base:Class (NoMethodError)
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/actionpack-4.0.0/lib/action_view/railtie.rb:25:in `each'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/actionpack-4.0.0/lib/action_view/railtie.rb:25:in `block (2 levels) in <class:Railtie>'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-4.0.0/lib/active_support/lazy_load_hooks.rb:38:in `instance_eval'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-4.0.0/lib/active_support/lazy_load_hooks.rb:38:in `execute_hook'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-4.0.0/lib/active_support/lazy_load_hooks.rb:45:in `block in run_load_hooks'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-4.0.0/lib/active_support/lazy_load_hooks.rb:44:in `each'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-4.0.0/lib/active_support/lazy_load_hooks.rb:44:in `run_load_hooks'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/actionpack-4.0.0/lib/action_view/base.rb:199:in `<class:Base>'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/actionpack-4.0.0/lib/action_view/base.rb:131:in `<module:ActionView>'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/actionpack-4.0.0/lib/action_view/base.rb:6:in `<top (required)>'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sprockets-rails-2.0.1/lib/sprockets/railtie.rb:78:in `block in <class:Railtie>'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-4.0.0/lib/active_support/lazy_load_hooks.rb:36:in `call'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-4.0.0/lib/active_support/lazy_load_hooks.rb:36:in `execute_hook'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-4.0.0/lib/active_support/lazy_load_hooks.rb:45:in `block in run_load_hooks'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-4.0.0/lib/active_support/lazy_load_hooks.rb:44:in `each'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-4.0.0/lib/active_support/lazy_load_hooks.rb:44:in `run_load_hooks'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.0.0/lib/rails/application/finisher.rb:62:in `block in <module:Finisher>'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.0.0/lib/rails/initializable.rb:30:in `instance_exec'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.0.0/lib/rails/initializable.rb:30:in `run'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.0.0/lib/rails/initializable.rb:55:in `block in run_initializers'
        from C:/Ruby22-x64/lib/ruby/2.2.0/tsort.rb:226:in `block in tsort_each'
        from C:/Ruby22-x64/lib/ruby/2.2.0/tsort.rb:348:in `block (2 levels) in each_strongly_connected_component'
        from C:/Ruby22-x64/lib/ruby/2.2.0/tsort.rb:429:in `each_strongly_connected_component_from'
        from C:/Ruby22-x64/lib/ruby/2.2.0/tsort.rb:347:in `block in each_strongly_connected_component'
        from C:/Ruby22-x64/lib/ruby/2.2.0/tsort.rb:345:in `each'
        from C:/Ruby22-x64/lib/ruby/2.2.0/tsort.rb:345:in `call'
        from C:/Ruby22-x64/lib/ruby/2.2.0/tsort.rb:345:in `each_strongly_connected_component'
        from C:/Ruby22-x64/lib/ruby/2.2.0/tsort.rb:224:in `tsort_each'
        from C:/Ruby22-x64/lib/ruby/2.2.0/tsort.rb:203:in `tsort_each'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.0.0/lib/rails/initializable.rb:54:in `run_initializers'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.0.0/lib/rails/application.rb:215:in `initialize!'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.0.0/lib/rails/railtie/configurable.rb:30:in `method_missing'
        from D:/RubyProjects/Part-3/Chapter_13/rails/mydiary/config/environment.rb:5:in `<top (required)>'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.0.0/lib/rails/application.rb:189:in `require'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.0.0/lib/rails/application.rb:189:in `require_environment!'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.0.0/lib/rails/commands.rb:45:in `<top (required)>'
        from script/rails:6:in `require'
        from script/rails:6:in `<main>'