title: Can't load Facebook Messenger platform on my website
body: <p>I am trying to install Facebook Messenger platform on my website.
  I added the code needed, whitelisted the domain, but it doesn't load.
  In Chrome console I get this error message:</p>
  
  <blockquote>
  Refused to display 'https://www.facebook.com/plugins/customerchat.php?app_id=&channel=https%3A%2F%2Fstaticxx.facebook.com%2Fconnect%2Fxd_arbiter%2Fr%2FlY4eZXm_YWu.js%3Fversion%3D42%23cb%3Df686bdd54ed948%26domain%3D4elements4life.com%26origin%3Dhttps%253A%252F%252Fmydomainname.com%252Ff19bba3c7abf9b4%26relation%3Dparent.parent&container_width=0&locale=en_US&page_id=215165435282363&sdk=joey' in a frame because an ancestor violates the following Content Security Policy directive: "frame-ancestors https://www.facebook.com".
  </blockquote>
  
  <p>Any help is greatly appreciated.</p>