Started GET "/" for ::1 at 2017-07-23 15:16:04 +0900

Gem::LoadError (Specified 'sqlite3' for database adapter, but the gem is not loaded. Add `gem 'sqlite3'` to your Gemfile (and ensure its version is at the minimum required by ActiveRecord).):
  activerecord (4.2.9) lib/active_record/connection_adapters/connection_specification.rb:177:in `rescue in spec'
  activerecord (4.2.9) lib/active_record/connection_adapters/connection_specification.rb:174:in `spec'
  activerecord (4.2.9) lib/active_record/connection_handling.rb:50:in `establish_connection'
  activerecord (4.2.9) lib/active_record/railtie.rb:122:in `block (2 levels) in <class:Railtie>'
  activesupport (4.2.9) lib/active_support/lazy_load_hooks.rb:38:in `instance_eval'
  activesupport (4.2.9) lib/active_support/lazy_load_hooks.rb:38:in `execute_hook'
  activesupport (4.2.9) lib/active_support/lazy_load_hooks.rb:45:in `block in run_load_hooks'
  activesupport (4.2.9) lib/active_support/lazy_load_hooks.rb:44:in `each'
  activesupport (4.2.9) lib/active_support/lazy_load_hooks.rb:44:in `run_load_hooks'
  activerecord (4.2.9) lib/active_record/base.rb:315:in `<module:ActiveRecord>'
  activerecord (4.2.9) lib/active_record/base.rb:26:in `<top (required)>'
  activesupport (4.2.9) lib/active_support/dependencies.rb:274:in `require'
  activesupport (4.2.9) lib/active_support/dependencies.rb:274:in `block in require'
  activesupport (4.2.9) lib/active_support/dependencies.rb:240:in `load_dependency'
  activesupport (4.2.9) lib/active_support/dependencies.rb:274:in `require'
  activerecord (4.2.9) lib/active_record/migration.rb:383:in `connection'
  activerecord (4.2.9) lib/active_record/migration.rb:370:in `call'
  actionpack (4.2.9) lib/action_dispatch/middleware/callbacks.rb:29:in `block in call'
  activesupport (4.2.9) lib/active_support/callbacks.rb:88:in `__run_callbacks__'
  activesupport (4.2.9) lib/active_support/callbacks.rb:778:in `_run_call_callbacks'
  activesupport (4.2.9) lib/active_support/callbacks.rb:81:in `run_callbacks'
  actionpack (4.2.9) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
  actionpack (4.2.9) lib/action_dispatch/middleware/reloader.rb:73:in `call'
  actionpack (4.2.9) lib/action_dispatch/middleware/remote_ip.rb:78:in `call'
  actionpack (4.2.9) lib/action_dispatch/middleware/debug_exceptions.rb:17:in `call'
  actionpack (4.2.9) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
  railties (4.2.9) lib/rails/rack/logger.rb:38:in `call_app'
  railties (4.2.9) lib/rails/rack/logger.rb:20:in `block in call'
  activesupport (4.2.9) lib/active_support/tagged_logging.rb:68:in `block in tagged'
  activesupport (4.2.9) lib/active_support/tagged_logging.rb:26:in `tagged'
  activesupport (4.2.9) lib/active_support/tagged_logging.rb:68:in `tagged'
  railties (4.2.9) lib/rails/rack/logger.rb:20:in `call'
  actionpack (4.2.9) lib/action_dispatch/middleware/request_id.rb:21:in `call'
  rack (1.6.8) lib/rack/methodoverride.rb:22:in `call'
  rack (1.6.8) lib/rack/runtime.rb:18:in `call'
  activesupport (4.2.9) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
  rack (1.6.8) lib/rack/lock.rb:17:in `call'
  actionpack (4.2.9) lib/action_dispatch/middleware/static.rb:120:in `call'
  rack (1.6.8) lib/rack/sendfile.rb:113:in `call'
  railties (4.2.9) lib/rails/engine.rb:518:in `call'
  railties (4.2.9) lib/rails/application.rb:165:in `call'
  rack (1.6.8) lib/rack/lock.rb:17:in `call'
  rack (1.6.8) lib/rack/content_length.rb:15:in `call'
  rack (1.6.8) lib/rack/handler/webrick.rb:88:in `service'
  /Users/yoheisenju/.rbenv/versions/2.3.0/lib/ruby/2.3.0/webrick/httpserver.rb:140:in `service'
  /Users/yoheisenju/.rbenv/versions/2.3.0/lib/ruby/2.3.0/webrick/httpserver.rb:96:in `run'
  /Users/yoheisenju/.rbenv/versions/2.3.0/lib/ruby/2.3.0/webrick/server.rb:296:in `block in start_thread'


  Rendered /Users/yoheisenju/workspace/External/whatzmoney/smart_admin/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.9/lib/action_dispatch/middleware/templates/rescues/_source.erb (3.6ms)
  Rendered /Users/yoheisenju/workspace/External/whatzmoney/smart_admin/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.9/lib/action_dispatch/middleware/templates/rescues/_trace.html.erb (1.6ms)
  Rendered /Users/yoheisenju/workspace/External/whatzmoney/smart_admin/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.9/lib/action_dispatch/middleware/templates/rescues/_request_and_response.html.erb (1.3ms)
  Rendered /Users/yoheisenju/workspace/External/whatzmoney/smart_admin/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.9/lib/action_dispatch/middleware/templates/rescues/diagnostics.html.erb within rescues/layout (55.9ms)