The majority errors you will face are common WordPress errors and does not mean that a theme or plugin “doesn’t work” or is “broken”.
Errors after installing or updating a theme or plugin are usually the result of conflicts with other plugins, caching (needs to be cleared or exclusions added), hosting and server limitations, and other compatibility issues.
It’s impossible to know every potential WordPress error inside and out. However, understanding the most common WordPress issues users face will help you prepare and better troubleshoot problems when they do pop up.
When troubleshooting WordPress, the main thing to remember is ‘don’t panic’. Often, these errors are easy to fix if you don’t let the frustration get the best of you.
The following resources are hand-picked WordPress troubleshooting guides that will help you narrow down the culprit of your website issues and get you up and running again.