400 bad request errors

some of my sites are getting 400 bad request errors on refreshing they show correctly. Sometimes even things are not loaded correctly from the database
please check snapshot deadline is showing nothing but it was showing a few secs back!

Do you have any firewall rule or worker active?

No, I don’t create any firewall rule or any active worker

That error page is not coming from Cloudflare - hence it means your origin server is returning that HTTP 400 code. You’d need to check your access/error logs at the origin to understand why it is returning a HTTP 400.

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