The function of adding an RSS feed always (in all YouTube channels) gives the following address:
https://www.youtube.com/feeds/videos.xml?channel_id=[object%20Promise]
and the YouTube RSS feed address should look like this:
https://www.youtube.com/feeds/videos.xml?channel_id=UChf0Knt-e9Pw8VywfuTZCjA
The function of adding an RSS feed always (in all YouTube channels) gives the following address:
https://www.youtube.com/feeds/videos.xml?channel_id=[object%20Promise]
and the YouTube RSS feed address should look like this:https://www.youtube.com/feeds/videos.xml?channel_id=UChf0Knt-e9Pw8VywfuTZCjA