My website is down

Hi, My website is down. What should I do?
https://benjoapp.se/

Welcome back to the forum! Please don’t stalk a topic not related at all with your issue; this is the first time I saw one, and if I see it again I’m going to report it. Anyway, as for your issue, after I bypassed the certificate warning, I see a HTTP ERROR 500:

But the biggest problem is that you’re using a self-signed certificate without Cloudflare. Our Free SSL certificates tool also allows you to issue certificates that are valid for every browser, and here’s how to get one:

my website is also facing the same issue

Have you tried what @JxstErg1 posted?