The webpage at intent://threads/?vcuid=100008643368111&src=mtouch_diode&show_multiaccount=true#Intent;scheme=fb-messenger;package=com.facebook.mlite;S.browser_fallback_url=https://m.facebook.com/messages/?src=mlite_fallback;end could not be loaded because:
net::ERR_UNKNOWN_URL_SCHEME
This is the problem on web viewer when Facebook chat on