WordPress is widely used all over the world, but there are many problems that often arise. Let's take a look at some of the problems that occur frequently and how to fix them! Important: It's still a cliché to always back up your data before making any changes to your website, just in case. Let's look at how to fix the most common WordPress errors one by one. 1. How to Fix Internal Server Errors The most common WordPress error encountered by newbies at the beginning of their career is usually "Internal Server Error...".