Error: The URL cannot be retrieved.

requests /han3/7/6/9/0/0/0/https:/www.youtube.com/watch?v=kyhG0a66cS0/ at [25/Oct/2021:20:42:53 +0800].
Reason: No authority for http://https:0/www.youtube.com/watch?v=kyhG0a66cS0/