alex:askme alex$ rails s
=> Booting WEBrick
=> Rails 5.0.6 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
Exiting
/Users/alex/Desktop/work/askme/config/initializers/recaptcha.rb:4:in `block in <top (required)>': undefined method `public_key=' for #<Recaptcha::Configuration:0x007fbb0da98100> (NoMethodError)
Did you mean?  public_send
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/recaptcha-4.6.3/lib/recaptcha.rb:30:in `configure'
    from /Users/alex/Desktop/work/askme/config/initializers/recaptcha.rb:1:in `<top (required)>'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/activesupport-5.0.6/lib/active_support/dependencies.rb:287:in `load'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/activesupport-5.0.6/lib/active_support/dependencies.rb:287:in `block in load'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/activesupport-5.0.6/lib/active_support/dependencies.rb:259:in `load_dependency'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/activesupport-5.0.6/lib/active_support/dependencies.rb:287:in `load'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/engine.rb:648:in `block in load_config_initializer'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/activesupport-5.0.6/lib/active_support/notifications.rb:166:in `instrument'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/engine.rb:647:in `load_config_initializer'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/engine.rb:612:in `block (2 levels) in <class:Engine>'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/engine.rb:611:in `each'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/engine.rb:611:in `block in <class:Engine>'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/initializable.rb:30:in `instance_exec'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/initializable.rb:30:in `run'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/initializable.rb:55:in `block in run_initializers'
    from /Users/alex/.rvm/rubies/ruby-2.4.1/lib/ruby/2.4.0/tsort.rb:228:in `block in tsort_each'
    from /Users/alex/.rvm/rubies/ruby-2.4.1/lib/ruby/2.4.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
    from /Users/alex/.rvm/rubies/ruby-2.4.1/lib/ruby/2.4.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
    from /Users/alex/.rvm/rubies/ruby-2.4.1/lib/ruby/2.4.0/tsort.rb:431:in `each_strongly_connected_component_from'
    from /Users/alex/.rvm/rubies/ruby-2.4.1/lib/ruby/2.4.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/initializable.rb:44:in `each'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/initializable.rb:44:in `tsort_each_child'
    from /Users/alex/.rvm/rubies/ruby-2.4.1/lib/ruby/2.4.0/tsort.rb:415:in `call'
    from /Users/alex/.rvm/rubies/ruby-2.4.1/lib/ruby/2.4.0/tsort.rb:415:in `each_strongly_connected_component_from'
    from /Users/alex/.rvm/rubies/ruby-2.4.1/lib/ruby/2.4.0/tsort.rb:349:in `block in each_strongly_connected_component'
    from /Users/alex/.rvm/rubies/ruby-2.4.1/lib/ruby/2.4.0/tsort.rb:347:in `each'
    from /Users/alex/.rvm/rubies/ruby-2.4.1/lib/ruby/2.4.0/tsort.rb:347:in `call'
    from /Users/alex/.rvm/rubies/ruby-2.4.1/lib/ruby/2.4.0/tsort.rb:347:in `each_strongly_connected_component'
    from /Users/alex/.rvm/rubies/ruby-2.4.1/lib/ruby/2.4.0/tsort.rb:226:in `tsort_each'
    from /Users/alex/.rvm/rubies/ruby-2.4.1/lib/ruby/2.4.0/tsort.rb:205:in `tsort_each'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/initializable.rb:54:in `run_initializers'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/application.rb:352:in `initialize!'
    from /Users/alex/Desktop/work/askme/config/environment.rb:5:in `<top (required)>'
    from /Users/alex/Desktop/work/askme/config.ru:3:in `require_relative'
    from /Users/alex/Desktop/work/askme/config.ru:3:in `block in <main>'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/rack-2.0.3/lib/rack/builder.rb:55:in `instance_eval'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/rack-2.0.3/lib/rack/builder.rb:55:in `initialize'
    from /Users/alex/Desktop/work/askme/config.ru:in `new'
    from /Users/alex/Desktop/work/askme/config.ru:in `<main>'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/rack-2.0.3/lib/rack/builder.rb:49:in `eval'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/rack-2.0.3/lib/rack/builder.rb:49:in `new_from_string'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/rack-2.0.3/lib/rack/builder.rb:40:in `parse_file'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/rack-2.0.3/lib/rack/server.rb:319:in `build_app_and_options_from_config'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/rack-2.0.3/lib/rack/server.rb:219:in `app'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/commands/server.rb:84:in `app'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/rack-2.0.3/lib/rack/server.rb:354:in `wrapped_app'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/commands/server.rb:148:in `log_to_stdout'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/commands/server.rb:102:in `start'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/commands/commands_tasks.rb:90:in `block in server'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/commands/commands_tasks.rb:85:in `tap'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/commands/commands_tasks.rb:85:in `server'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/commands/commands_tasks.rb:49:in `run_command!'
    from /Users/alex/.rvm/gems/ruby-2.4.1/gems/railties-5.0.6/lib/rails/commands.rb:18:in `<top (required)>'
    from bin/rails:4:in `require'
    from bin/rails:4:in `<main>'