title: What does HTTP status code 602 mean
body: <p>Facebook webhook is returning HTTP 602 :
  <a href="https://i.stack.imgur.com/OhMa6.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/OhMa6.png" alt="enter image description here"></a></p>
  
  <p>What does 602 mean/stand for?</p>