Error 522, How to Fix this?

Its been 3 days since i cant access my website.
domain :

ive been looking for some solution but nothing works can anyone help me ?

attachment :

nginx configuration

Check your server configuration. Your server does not appear to listen on port 443. Also, Cloudflare does not support HTTP 2 for the connection to the origin and right now you require client certificate authentication. Is that enabled on your Cloudflare account? Last but not least, switch to “Full strict”.

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