Loading RSS feed failed.

Problem/Motivation

Trying to see if this module can be used to hit our use case. Haven't been able to save a form though I keep getting Loading RSS feed failed.

Steps to reproduce

On the latest ddev
Added a link field to the content type
Added https://www.drupal.org/project/issues/rss/rss_embed_field → as an example
Get the error

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes