title: How to fix 'Please run rails webpacker: install Error: No such file or directory @ rb_sysopen"?
body: <p>I am attempting to create my first Ruby on Rails application following the documentation outlined on the website. When I attempted to run the server with 'rails server' from the cmd line I receive this error...</p>
  
  <pre><code>C:/Ruby/rubyinstaller-2.5.5-1-x64/rubyinstaller-2.5.5-1-x64/lib/ruby/gems/2.5.0/gems/webpacker-4.0.7/lib/webpacker/configuration.rb:91:in `rescue in load': Webpacker configuration file not found C:/Users/{username}/Desktop/Projects/Ruby on Rails/Blog Application/blog/config/webpacker.yml. Please run rails webpacker:install Error: No such file or directory @ rb_sysopen - C:/Users/{username}/Desktop/Projects/Ruby on Rails/Blog Application/blog/config/webpacker.yml
  </code></pre>
  
  <p>OS: Windows 10 <br>
  Yarn version: 1.17.3 <br>
  Node.js version - v10.15.3 <br>
  Rails version - 6.0.0 <br>
  Ruby version - Ruby 2.5.5p157 (2019-03-15 revision 67260) [x64-mingw32]<br>
  sqlite3 version - 3.22.0 <br></p>
  
  <p>I expect for the server to run successfully and to open localhost:3000 to Yay! You're on rails</p>