rss error |

I saw rss error at admin dashboard.

RSS Error: A feed could not be found at; the status code is 404 and content-type is text/html; charset=utf-8

I try deactivate updraftplus and Disappear rss error.
also updraftplus upgrade to 1.22.21(latest version) but
occur rss error.
How to fix these rss error?
thanks in advanced.

The page I need help with: [log in to see the link]


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