Cannot add Source

I am not able to add a Source, Custom Channels
Here is the URL (I have redacted the user and password)
M3U Playlist URL:
http://rzzxgyr.megasharktv.xyz/get.php?username=xxxxxxxxxx&password=xxxxxxxxxx&output=ts&type=m3u_plus6
Error screenshot attached.
Help please

The URL that you are trying to use is for non-legal iptv.
Channels won't be able to handle the large playlist. You wil need a playlist manager or editor to break down the streams and sort for use in channels.
The use of iptv in Channels isn't supported on the forum.

thanks