OPML Import Error: Failed to Add Specific Feeds

[jws1837]

Description:
When importing the OPML file from our project into feedly, most feeds are successfully imported. However, about 20 feeds fail with the following error:

Error--Failed to add feed/https://blog.algolia.com/blog/rss.xml

Steps to Reproduce:

Export the OPML file from the project.
Import the OPML file into Feedly.
Observe the error for specific feeds, including https://blog.algolia.com/blog/rss.xml.
Expected Behavior:
All feeds in the OPML file should be imported successfully without any errors.

Actual Behavior:
A subset of feeds fails to import with the above error message.

Here is the list of feeds that fail to import:

Feed Name	Category	Error URL
Algolia	Engineering Blogs	https://blog.algolia.com/blog/rss.xml
Codeship	Engineering Blogs	https://blog.codeship.com/blog/feed/
Envato	Engineering Blogs	https://webuild.envato.com/blog/rss.xml
GoDaddy	Engineering Blogs	https://www.godaddy.com/engineering/feed.xml
Heroku	Engineering Blogs	https://blog.heroku.com/engineering
Honeybadger	Engineering Blogs	http://blog.honeybadger.io/blog/feed.xml
LINE	Engineering Blogs	https://engineering.linecorp.com/en/blog
LiveRamp	Engineering Blogs	https://liveramp.com/wp-json/wp/v2/pages/1041448
Mozilla Automation Team	Engineering Blogs	https://planet.mozilla.org/automation/atom.xml
Schibsted Tech Polska	Engineering Blogs	https://www.schibsted.pl/wp-json/wp/v2/pages/3339
Sharethis	Engineering Blogs	https://www.sharethis.com/platform/social-feed/
Square	Engineering Blogs	https://corner.squareup.com/blog/rss.xml
Anders Aarvik	Engineering Blogs	http://aarvik.dk/rss/index.html
Federico Tomassetti	Engineering Blogs	https://tomassetti.me/wp-json/wp/v2/pages/6218
Nicolai Parlog (CodeFX)	Engineering Blogs	http://codefx.org/feed.xml
William Kennedy	Engineering Blogs	https://www.goinggo.net/blog/index.xml
Go	Engineering Blogs	https://blog.golang.org/blog/feed.atom
Microsoft Edge	Engineering Blogs	https://blogs.windows.com/msedgedev/wp-json/wp/v2/pages/24431
React Native	Engineering Blogs	http://facebook.github.io/blog/rss.xml
Sketch	Engineering Blogs	https://blog.sketchapp.com/blog/feed.xml