title: I can't run vue project with Nuxt Fatal Error
body: <p>When I run <code>npm start</code> I am getting an error.</p>
  <pre><code> FATAL  No build files found in ..\client\.nuxt\dist\server. Use either `nuxt build` or `builder.build()` or start nuxt in development mode.
  
  Use either `nuxt build` or `builder.build()` or start nuxt in development mode.
  at VueRenderer._ready (node_modules\@nuxt\vue-renderer\dist\vue-renderer.js:758:13)
  at async Server.ready (node_modules\@nuxt\server\dist\server.js:637:5)
  at async Nuxt._init (node_modules\@nuxt\core\dist\core.js:482:7)
  
  Nuxt Fatal Error
  Error: No build files found in ..\client\.nuxt\dist\server.
  Use either `nuxt build` or `builder.build()` or start nuxt in development mode.
  
  npm ERR! code ELIFECYCLE
  npm ERR! errno 1
  npm ERR! client@1.0.0 start: `nuxt start`
  npm ERR! Exit status 1
  npm ERR!
  npm ERR! Failed at the client@1.0.0 start script.
  npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
  </code></pre>
  <p>Vue version is <code>@vue/cli 4.5.13</code>.
  I am vue.js beginner. What is reason? How can I fix it?
  Thank you.</p>