Fatal error: require_once(): Failed opening required

[KangJL]

@Greenreader9

What is the hosting volume

I guess is this

@epiz_32517452

solve this error.

How to fix a corrupted WordPress installation

WordPress frequently releases updates, which you can install through WordPress’ admin interface. Usually, this works without a hitch. But with some (big) upgrades, the upgrade fails half way and leaves you with a broken website. Fortunately, you can still fix your website without any data loss, and this article tells you how to do that. Download a fresh copy of WordPress First of all, you will need to download a fresh copy of WordPress. You can download this from the official WordPress website…

and this

How to install, setup and update WordPress correctly

Do you often see this on your WordPress website? [image] If so you may need to change some of the installation settings. Installing WordPress For Fresh Installation Make sure you are using the following settings when using Softaculous Install [image] Existing Installation You can access your existing installation via [image] Followed by [image] Make sure these are the settings used [image] On the WordPress config To play safe, add this line to the wp-config.php [image] …