title: Why do server error codes start at 1xx and not at 0xx?
body: <p>Why do server error codes start at 1xx and not at 0xx. I know 1xx, 2xx etc. have their own meaning, but why doesn't it start at 0xx ?</p>
  <p>I read most of the <a href="https://www.rfc-editor.org/rfc/rfc2616" rel="nofollow noreferrer">HTTP protocol</a> and browsed trough the <a href="https://www.restapitutorial.com/httpstatuscodes.html" rel="nofollow noreferrer">error codes</a> without any luck.</p>