title: Why I get this error laravel-worker: ERROR (no such group)
body: <p>I followed the official Laravel doc to <strong>start queue in the background using supervisor</strong> in <em>Centos 7</em>.</p>
  
  <p><strong>But</strong> whene I run this command <code>sudo supervisorctl start laravel-worker:*</code> I get this error <code>laravel-worker: ERROR (no such group)</code></p>
  
  <p><strong>Documentation</strong>: 
  <a href="https://laravel.com/docs/5.5/queues#supervisor-configuration" rel="noreferrer">https://laravel.com/docs/5.5/queues#supervisor-configuration</a></p>