title: Laravel Can't disable Maintenance mode
body: <p>I've put my Laravel into the maintenance mode with <code>php artisan down</code>.</p>
  
  <p>No I try to disable the mode with the command from the docs (<code>php artisan up</code>) but nothing happends.</p>
  
  <p>I've cleared all Laravel caches and my browser cache. What is wrong?</p>