I am Angelo. A systems engineer passionate about Linux and all open-source software. Although here I'm just another member of the family.

How to solve “An unexpected error occurred…server’s configuration” on WordPress

Hello, friends. When an error happens on WordPress, it’s a total headache. Something is wrong, and occasionally, we have no idea what could have happened. Today you will learn how to resolve the error “An unexpected error occurred. Something may be wrong with or this server’s configuration” on WordPress.

The causes

This error on WordPress happens when there is a problem in the domain name resolution of the WordPress servers and specifically in the API.

Error on WordPress server
Error on WordPress server

This causes that even when you want to install a new theme, it will give the same and suggests us to go to the forums to solve the problem.

However, the solution is simple but requires a bit of work.

Let’s start with

How to solve “An unexpected error occurred…server’s configuration” on WordPress

Step 1: Disable SELinux

To resolve this error, we need to do two things.

The first is to disable SELinux from the system. To achieve this, open up a text editor and edit the SELinux configuration.

sudo vi /etc/selinux/config

And change:


To this line


Save the changes and exit the editor. To apply the changes, reboot the system.

Step 2: Install Bind

The issue is in the domain name resolution, so to solve it, you have to install bind.

On systems such as Debian, Ubuntu and derivatives, then, you can run

sudo apt update
sudo apt upgrade
sudo apt install bind9 bind9-utils 

But on RHEL-based systems

sudo dnf -y install bind-utils

Please consider adding this entry to /etc/hosts, but It’s not really required.

Reboot the system, and now you should have the difficulty solved.


In this post, you learned how to fix a serious bug inside WordPress. This error can cause you a headache, but with a fairly simple solution.


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