Ailed to open stream: No such file or directory

[Admin]

That looks like as if a WordPress core file is missing. That can be caused by an update to WordPress going wrong. This is how you can fix it:

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…