WordPress Internal Server Error 500

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Don’t panic, we’ve all been there. Just editing a page or updating a wordpress plugin – then suddenly wham – a white screen is delivered in front of your eyes – HTTP 500 Internal Server Error 500. Most likely you have probably seen this error whilst browsing before – thankfully it is a common error that is fairly easy to troubleshoot regardless of your wordpress skill level!

Wordpress 500 Internal Server Error

The HTTP 500 Server Error is not something that can happen to any website and framework and isn’t something that just effects wordpress websites. Even though it is the most common it doesn’t give much away in regards to the issue. [See our post next week on Enabling your WordPress Error Log].

Usually this error can be drilled down to a few things:

plugins or theme conflictions

php memory limit 

a corrupt .htaaccess file

 

How to Troubleshoot and Fix your WordPress 500 Internal Server Error

 

First check your .htaaccess file

This can be found by using an FTP client such as Filezilla

You will need to go to your Public_Html Directory into your wordpress directory and scout for a file named .htaaccess

Wordpress Corrupt htaaccess File

Rename your file by clicking like you would when you rename a file through your computer and name is following the same structure – .htaccess_trash

Once done it will rebuild a fresh .htaaccess – if you can now refresh and load your site – well done you fixed it (now go to Settings>Permalinks and resave)

 

If not… continue…

 

PHP Memory Limit Issues

Next up lets check your PHP Memory limit see if the website is timing out because of the limit and processes on site. Usually this will only flag the 500 error if you have done something like upload an image. If its down to Memory limit is usually only really effects the back end of the website due to this being the place you are updating, changing, uploading and configuring.

 

Connect to your FTP again

Open a new file on Notepad or any text file program and save as php.ini

Paste in the following:

memory=128MB

Upload by dropping and dragging it into your wp-admin folder. (This is in your Public_html folder and located in your wordpress directory)

 

Still not working?… don’t give up on us now! 

 

WordPress Plugin Conflictions

Deactivate all of your plugins

 

If you have come this far, it is more likely down to a plugin extension or a theme function. To troubleshoot, the best place to start is to deactivate all your plugins. Naturally this has to also be done through your FTP.

Open up your FTP connect to your website

Open the WP-Content Folder (this is where your plugins are kept)

Find your Plugins folder

Rename this folder to something such as plugins.old

 

Wordpress Plugin Confliction - How to Troubleshoot

 

Refresh the website and clear cache.

If you can now see your website this issue is related to a plugin confliction. You will need to login to your wordpress website and deactivate each plugin one by one. This way you can work out which plugin is causing the internal server error.

Once you are logged in to wp-admin – go back to your ftp rename your plugins file back to ‘plugins’ as it was before. When the file name is back as it was, you can start troubleshooting each plugin one by one until you find the cause.

Sadly if you have got to this point and are still none the wiser in regards to the wordpress 500 internal server error its time to speak to your hosting company or pop us a message or support ticket here 

 

 

 

 

 

 

 

Kelly Lloyd
Web developer, designer and digital marketing guru. Mother to an amazing little boy. I have over 15 years experience in development and digital marketing and am extremely passionate about making online businesses succeed.

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