Error: npm is known not to run on Node.js V4.2.6 : <p>how can I solve the following error? I use Ubuntu 16.
When I run any npm command such as "npm run dev" I get this error:</p>

<blockquote>
  <p>ERROR: npm is known not to run on Node.js v4.2.6 Node.js 4 is
  supported but the specific version you're running has a bug known to
  break npm. Please update to at least ${rel.min} to use this version of
  npm. You can find the latest release of Node.js at <a href="https://nodejs.org/" rel="noreferrer">https://nodejs.org/</a></p>
</blockquote>
