title: Cannot find module 'webpack/bin/config-yargs'
body: <p>Getting error when running <code>webpack-dev-server --config config/webpack.dev.js --progress --profile --watch --content-base src/</code>. Here is the error log: </p>
  
  <pre><code>module.js:442
  throw err;
  ^
  
  Error: Cannot find module 'webpack/bin/config-yargs'
  at Function.Module._resolveFilename (module.js:440:15)
  at Function.Module._load (module.js:388:25)
  at Module.require (module.js:468:17)
  at require (internal/module.js:20:19)
  at Module._compile (module.js:541:32)
  at Object.Module._extensions..js (module.js:550:10)
  at Module.load (module.js:458:32)
  at tryModuleLoad (module.js:417:12)
  at Function.Module._load (module.js:409:3) 
  </code></pre>