How to Fix WordPress 500 Internal Server Error:
Most of us, either designer, developers or even end users had to face at least a single time this error in whole life. That is the critical process of getting an internal server error and tries to fix it. Many people don’t think deep they just want to fix this error asap. But if you don’t even try to understand it, you’re bound to face this issue again. The 500 internal server error is very important and complex issue as it completely stops all the processes and bring your entire site down. So if we want to get rid of it every time, we need to understand it.
Common HTTP Status and Error Codes:-
Initially I’ll let you know what these errors means. Here is list of status & errors for HTTP that can be used to better troubleshoot a situation. Here we have cover only most common errors that you will find while working on your WordPress site.
100x Responsive (Status):– this kind of response directly given by the server. Depends on your web hosting company, this response can be given by either Apache, nginx or other webserver that company uses. This type of response does not associate with errors. They normally indicate that a connection is in place.
200x Response (Success):- This kind of response always indicates success. It means either server has made successful connection to you or that a proxy connection is made.
300x Response (Redirection):- These codes always referred if the link is going into redirection. 300 status codes indicate successful redirection and it is not considered as error.
400x Response (Client Errors):- These type of errors shows problem in your browser. Typically, it is unable to load asset. These errors codes seem to be complicated. Same error will shown when you try to use a non-existent image on your website.
500x Response (Server Errors):- These are important errors and always relevant to server itself. Server errors are always critical because they can effectively crash your website. Most important 500x errors are:
- 503 server unavailable
- 502 bad gateway error
- 500 internal server error
How to Fix WordPress 500 Internal Server Error
500 error can be caused by various factors that always related to failure in code extension. Instead of diagnose everything, we here give you a list of errors by type of problem:
- Migrating older site to new hosting
- Error in .htaccess in apache configuration
- Error in pho code execution
- Migrating older site to newer hosting: – There are several methods in which this error can show up but always seems relevant to Php version. Newer php version can generate 500 internal server error if current site or plugin do not support the newest version.
Solution:- The most ideal approach to fix this horrendous error when you’re making a decent attempt to migrate your WordPress site to new hosting is to make a total duplicate of your plugins and the topic of your site. In the wake of doing this, it would be ideal if you erase all the plugins from your site and attempt once more. On the off chance that the error leaves, it is nearly ensured that the error was produced by a more up to date form of PHP on your hosting that basically will not execute code on your more established plugin. By re-transferring one plugin at once you can without much of a stretch discover which was the one causing the issue.
- .htaccess Apache Configuration Error:- for instance you are configuring a plugin and suddenly everything crashes, if you get 500 internal server error while configuring you must need to check if the plugin added extra code to .htaccess file.
Solution:- The way to resolve this issue is by accessing website through FTP and modifying .htaccess by editing directly. If you don’t know how to revert back the codes that plugin has made & your site up again. Make a copy of existing content as text file and save it as backup. Then replace entire .htaccess file code with:
“# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ – [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
# END WordPress”
- Php Code Execution Error:- these types of errors are common and usually happen when a plugin execute invalid code. Most common way of executing invalid code is when you try to implement and execute deprecated instructions. Perhaps you are trying to run a old plugin that only compatible to work with upto Php 5.4 or 5.6 with Php 7.0 or newest versions. Invalid and deprecated functions will create internal server error that only be diagnosed by enabling WP debug mode.
Solution:- Most of the cases of an 500 internal server error includes more established theme variants or plugins. By changing your theme to any standard WP theme you will most likely recover access to your site. Impairing the clashing plugins will likewise restore your entrance to the dashboard.
On the off chance that you happen to experience a circumstance in which your theme is the one in charge of breaking the site, the most ideal approach to fix it is by making a compress document of said theme from the theme organizer wp-content/themes/yourtheme then erasing it from your site. This will expel the error so you can recapture access to your site. You can then re-transfer it and refresh it without enacting it. You can do a similar thing with plugins.