Failed to load feed: <unknown>:23:70: not well-formed (invalid token)

[AnisTaluqdar]

!rss subscribe https://www.kaggle.com/anistaluqdar/code !rss subscribe https://github.com/AnisTaluqdar/111_CORA_111

This gives me the error ( Failed to load feed: :23:70: not well-formed (invalid token) ), What's wrong?

[tulir]

Neither of those look like RSS feeds