If you are getting a 500 Internal Server Error on your site, as a rule, this is because of a PHP error/coding error or corrupted .htaccess file.
To analyze PHP errors on your site, you can check (either by means of the File Manager in cPanel, or through FTP/SSH) for records named 'error_log' under your public_html or respective folder of your files.
The folder of the document will by and large be the place the code is executed - for instance, on the off chance that you have encountered a 500 error on the landing page/file of your site, the error_log record will be under the public_html folder.
Assuming, as it may, you are just getting the 500 error in a specific catalog, (for example, wp-administrator for instance) at that point the error_log record will be situated in the public_html/wp-administrator directory.
Error logging when you are utilizing 'nginx' through CloudNS or Bolt Cache:
In the domain or directory that you are using our CLOUDNS or Bolt Cache modules and have changed to Native NGINX, at that point your PHP will be handled utilizing PHP-FPM.
All error will be logged to the accompanying index:
the PHP errors logs will be: