How can i solve 500 error?

[luufgm]

Website URL

sistema-frb.great-site.net

Error Message

POSThttp://sistema-frb.great-site.net/assets/php/login.php
[HTTP/1.1 500 Internal Server Error 156ms]

GEThttps://errors.infinityfree.net/errors/404/
[HTTP/2 404 Not Found 0ms]

Other Information

So, I uploaded my page to this website, and apparently it works fine, when it loads it loads the login screen, but when I try to log in, it loads a blank page and in the console it shows me the 2 errors that I put above.

[Greenreader9]

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…

[luufgm]

Thank you so much, this helps me to find the error!