Since September 7, 2021, the current API this module uses now is restricted and can only be obtained with an App Review from Facebook. Personally, I sent a request with my Facebook app to them but I got rejected. Their answer for my requests were just this:
"Developer Policy 1.9 - Build a Quality Product
We were not able to approve your app because your submitted permission(s) or features are not clear or are invalid for use."
Now, there's a "plugin" called Embedded Posts (https://developers.facebook.com/docs/plugins/embedded-posts) which can be used without this App Review for everyone. I looked through the module's codebase and I saw that it only uses the embed code from the Oembed API. Now, the same information can be obtained with Embedded Posts, too. So, I suggest adding a possibility to use that Facebook plugin in this module.
Fixed
4.0
Code
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Issue #3232041 by kaszarobert, Thony, mvcrendija: Ability to use...
This will be a new feature of the v4 release. I don't want to break version 3 with this change.
Automatically closed - issue fixed for 2 weeks with no activity.