Internal Server Error upon installation

I strongly recommend you to change the PHP version from 5.6 to 7.3 (or 7.4). Also, check your htaccess file because broken .htaccess files might cause that issue. If the issue still persists, then check “error.log” file in order to see what the problem is.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)