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Issue Wordpress Rest API Error after update 18.0.25

KBD

New Pleskian
Have had a odd problem since the last update; my developer can't make changes on certain parts of Wordpress PHP files; I notice in the Wordpress Site Health check I have 2 errors I don't remember seeing before;

The REST API request failed due to an error.
Error: [] cURL error 7: Failed connect to blahblah.org:443; Connection refused

Loopback requests are used to run scheduled events, and are also used by the built-in editors for themes and plugins to verify code stability.

The loopback request to your site failed, this means features relying on them are not currently working as expected.
Error: [] cURL error 7: Failed connect to blahblah.org:443; Connection refused

Using Obsidian Version 18.0.25 on CentOS. Very little changes to the stock Plesk; I use this server for basic Wordpress site hosting and not much more.
 
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