My wordpress installtion crashed and now I see this error!

[SarahCM]

Warning : require_once(/home/vol1_7/epizy.com/epiz_27860367/htdocs/wp-includes/class-wpdb.php): failed to open stream: No such file or directory in /home/vol1_7/epizy.com/epiz_27860367/htdocs/wp-includes/load.php on line 547

Fatal error : require_once(): Failed opening required ‘/home/vol1_7/epizy.com/epiz_27860367/htdocs/wp-includes/class-wpdb.php’ (include_path=‘.:/usr/share/pear/’) in /home/vol1_7/epizy.com/epiz_27860367/htdocs/wp-includes/load.php on line 547

There has been a critical error on this website.

I tried to back up my website and database to create a new one, but it hasn’t worked either. any ideas, please? Thanks

[KangJL]

This?

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…

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How to install, setup and update WordPress correctly

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