title: How to fix this Error -npm
body: <p>I tried to <em>install</em> <code>npm</code> and I got the following <code>error</code>.
  I already removed npm and <em>reinstall</em> it again, but I again got the following error:</p>
  
  <hr>
  
  <pre><code>npm ERR! Linux 4.15.0-30-generic
  npm ERR! argv "/usr/bin/node" "/usr/bin/npm" "start"
  npm ERR! node v8.10.0
  npm ERR! npm  v3.5.2
  npm ERR! code ELIFECYCLE
  npm ERR! vx-leave-system@0.0.1 start: `node ./tools/server.js`
  npm ERR! Exit status 1
  npm ERR! 
  npm ERR! Failed at the vx-leave-system@0.0.1 start script 'node ./tools/server.js'.
  npm ERR! Make sure you have the latest version of node.js and npm installed.
  npm ERR! If you do, this is most likely a problem with the vx-leave-system package,
  npm ERR! not with npm itself.
  npm ERR! Tell the author that this fails on your system:
  npm ERR!     node ./tools/server.js
  npm ERR! You can get information on how to open an issue for this project with:
  npm ERR!     npm bugs vx-leave-system
  npm ERR! Or if that isn't available, you can get their info via:
  npm ERR!     npm owner ls vx-leave-system
  npm ERR! There is likely additional logging output above.
  npm ERR! Please include the following file with any support request:
  npm ERR!     /home/seelan/Documents/vx-leave-system/npm-debug.log
  </code></pre>
  
  <p>How can I fix this?</p>