Error code: 500 Internal Server Error Pls Help

[thunderstorm0914]

URL: gamegalaxyplay.site
Error Message: Error code: 500 Internal Server Error

Problem:
I purchased a domain on the Hostinger website, “gamegalaxyplay.site”. Then I assigned nameservers, following the specific instructions given. The problem occurs when the website can no longer load in the browser after I finish setting up and filling in the necessary settings.

There was a message saying the website would appear within 72 hours because of caching, so I waited. Today, the message was gone, yet the website still doesn’t load in my browser. I don’t know what to do anymore, that is why I am asking for help.

Note: I deleted my free subdomain gamegalaxy.great-site.net because that old domain is sharing the htdocs folder with my new domain. Also, I notice when I activated phpMyAdmin, MySQL, and replaced my HTML files with PHP, that is the first time the page no longer loads in the browser. Are we allowed to use PHP? I hoping that you can help me with this because I am almost there yet can’t be able to be there.

[JavesPotato]

Http error 500

When trying to access your website, you may see a page which returns the status code “500”. In Google Chrome, you’ll see a page with the error code HTTP ERROR 500. There are typically two reasons which can cause this error: The PHP code has crashed. The .htaccess file contains invalid rules. Here are some things you can try to debug and fix this. Fixing crashing PHP code A HTTP ERROR 500 simply tells you that the PHP code has crashed, but gives no information as to why it has crashed. Gett…