When you see errors like 500 it’s a good idea to enable PHP error messages to see the true error. In order to turn on PHP error reporting, open your cPanel and choose Select PHP Version:
On the newly opened page, select Options tab, scroll down a bit and select the display_errors checkmark:
That’s it! Now you know how to enable error display on your website 😊
In case you wish to disable the errors, simply uncheck the selection.
Additional resources: