403 Error on Website

Hi everyone. Whenever I try and access the website InterPals at https://www.interpals.net/, I always get the following error: 403 Forbidden nginx/1.9.15

It has never done this to me before. Does anyone have a solution to this?

It's an error with the site itself, not with your computer.

There is nothing you can do to fix this.

Yep, likely a permissions issue with the remote server configuration, but nothing you can do about it.