500 Internal Server Error

500 Internal Server Error can be tricky to troubleshoot but is mainly caused due to your hosting service. 

Below are some of the possible causes that might trigger a 500 error on your site:

1. Corrupt .htaccess File
2. Insufficient PHP Memory Limit
3. Conflicting Plugins
4. Corrupted WordPress Core Files

You can directly contact your hosting service provider for fixing the 500 error or can refer to the article guide here to try a fix for the above-listed issues: https://www.wpbeginner.com/wp-tutorials/how-to-fix-the-internal-server-error-in-wordpress/

Please ensure that your hosting service provides the features recommended by WordPress.

If you are looking for better WordPress hosting, check out this review of the best WordPress hosting providers.