railsのNoMethodErrorが解決できない

前提・実現したいこと

railsチュートリアルを進めている途中
$ rails generate controller StaticPages home help
でNomethoderrorが起きてしまいます

発生している問題・エラーメッセージ

/home/ubuntu/environment/sample_app/config/environments/development.rb:63:in `block in <main>': undefined method `config' for ActiveSupport::EventedFileUpdateChecker:Class
Did you mean?  concerning (NoMethodError)
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/railties-6.0.3/lib/rails/railtie.rb:216:in `instance_eval'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/railties-6.0.3/lib/rails/railtie.rb:216:in `configure'
        from /home/ubuntu/environment/sample_app/config/environments/development.rb:1:in `<main>'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `block in require_with_bootsnap_lfi'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require_with_bootsnap_lfi'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/zeitwerk-2.3.0/lib/zeitwerk/kernel.rb:23:in `require'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/activesupport-6.0.3/lib/active_support/dependencies.rb:324:in `block in require'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/activesupport-6.0.3/lib/active_support/dependencies.rb:291:in `load_dependency'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/activesupport-6.0.3/lib/active_support/dependencies.rb:324:in `require'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/railties-6.0.3/lib/rails/engine.rb:613:in `block (2 levels) in <class:Engine>'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/railties-6.0.3/lib/rails/engine.rb:612:in `each'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/railties-6.0.3/lib/rails/engine.rb:612:in `block in <class:Engine>'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/railties-6.0.3/lib/rails/initializable.rb:32:in `instance_exec'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/railties-6.0.3/lib/rails/initializable.rb:32:in `run'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/railties-6.0.3/lib/rails/initializable.rb:61:in `block in run_initializers'
        from /home/ubuntu/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:228:in `block in tsort_each'
        from /home/ubuntu/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
        from /home/ubuntu/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
        from /home/ubuntu/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:431:in `each_strongly_connected_component_from'
        from /home/ubuntu/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/railties-6.0.3/lib/rails/initializable.rb:50:in `each'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/railties-6.0.3/lib/rails/initializable.rb:50:in `tsort_each_child'
        from /home/ubuntu/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:415:in `call'
        from /home/ubuntu/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:415:in `each_strongly_connected_component_from'
        from /home/ubuntu/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:349:in `block in each_strongly_connected_component'
        from /home/ubuntu/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:347:in `each'
        from /home/ubuntu/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:347:in `call'
        from /home/ubuntu/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:347:in `each_strongly_connected_component'
        from /home/ubuntu/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:226:in `tsort_each'
        from /home/ubuntu/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:205:in `tsort_each'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/railties-6.0.3/lib/rails/initializable.rb:60:in `run_initializers'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/railties-6.0.3/lib/rails/application.rb:363:in `initialize!'
        from /home/ubuntu/environment/sample_app/config/environment.rb:5:in `<main>'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `block in require_with_bootsnap_lfi'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require_with_bootsnap_lfi'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/zeitwerk-2.3.0/lib/zeitwerk/kernel.rb:23:in `require'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/activesupport-6.0.3/lib/active_support/dependencies.rb:324:in `block in require'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/activesupport-6.0.3/lib/active_support/dependencies.rb:291:in `load_dependency'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/activesupport-6.0.3/lib/active_support/dependencies.rb:324:in `require'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/application.rb:106:in `preload'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/application.rb:157:in `serve'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/application.rb:145:in `block in run'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/application.rb:139:in `loop'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/application.rb:139:in `run'
        from /home/ubuntu/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/application/boot.rb:19:in `<top (required)>'
        from /home/ubuntu/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
        from /home/ubuntu/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
        from -e:1:in `<main>'

該当のソースコード

development.rb
1Railsdeve.application.configure do
2  # Settings specified here will take precedence over those in config/application.rb.
3
4  # In the development environment your application's code is reloaded on
5  # every request. This slows down response time but is perfect for development
6  # since you don't have to restart the web server when you make code changes.
7  config.cache_classes = false
8
9  # Do not eager load code on boot.
10  config.eager_load = false
11
12  # Show full error reports.
13  config.consider_all_requests_local = true
14
15  # Enable/disable caching. By default caching is disabled.
16  # Run rails dev:cache to toggle caching.
17  if Rails.root.join('tmp', 'caching-dev.txt').exist?
18    config.action_controller.perform_caching = true
19    config.action_controller.enable_fragment_cache_logging = true
20
21    config.cache_store = :memory_store
22    config.public_file_server.headers = {
23      'Cache-Control' => "public, max-age=#{2.days.to_i}"
24    }
25  else
26    config.action_controller.perform_caching = false
27
28    config.cache_store = :null_store
29  end
30
31  # Store uploaded files on the local file system (see config/storage.yml for options).
32  config.active_storage.service = :local
33
34  # Don't care if the mailer can't send.
35  config.action_mailer.raise_delivery_errors = false
36
37  config.action_mailer.perform_caching = false
38
39  # Print deprecation notices to the Rails logger.
40  config.active_support.deprecation = :log
41
42  # Raise an error on page load if there are pending migrations.
43  config.active_record.migration_error = :page_load
44
45  # Highlight code that triggered database queries in logs.
46  config.active_record.verbose_query_logs = true
47
48  # Debug mode disables concatenation and preprocessing of assets.
49  # This option may cause significant delays in view rendering with a large
50  # number of complex assets.
51  config.assets.debug = true
52
53  # Suppress logger output for asset requests.
54  config.assets.quiet = true
55
56  # Raises error for missing translations.
57  # config.action_view.raise_on_missing_translations = true
58
59  # Use an evented file watcher to asynchronously detect changes in source code,
60  # routes, locales, etc. This feature depends on the listen gem.
61  config.file_watcher = ActiveSupport::EventedFileUpdateChecker.
62  # Cloud9 への接続を許可する
63  config.hosts.clear
64end
65

試したこと

railsチュートリアルをコピペしているので記述ミスはないはずです
gemfileの設定かgem自体の中身がおかしいと思っているのですがcloud9にて上位ディレクトリの開き方がわからない為(ファイルツリーには/home/ubunts/environment/以降しか表示されない)確認もできず困っております

他に必要な情報があれば教えていただけると助かります