Sudden access 404, developer mode normal access

What is the name of the domain?

The domain name suddenly cannot access the website

What is the error number?

404

What is the error message?

404 Not Found nginx

What is the issue you’re encountering

The domain name suddenly cannot access the website

What steps have you taken to resolve the issue?

I tried to check all the configurations of the server and found nothing abnormal. After restarting the server, it was still inaccessible. I bound several domain names to the same directory. The other domain names were normal, but only one was suddenly inaccessible. Finally, I tried to turn on the developer mode of cloudflare and found that everything was normal in developer mode, but after I turned off the developer mode, the website would have 404 files again. I cleared all caches and turned off the rules of cloudflare, but it still didn’t work. At present, I can only 301 the website to other domain names. I hope to get your help

What are the steps to reproduce the issue?

Everything is normal when accessing in cloudflare developer mode, but after I turn off developer mode, the website will have file 404 again

I think there might be a bug in your system. I originally selected the flexible certificate by default, and then I tried to re-select the flexible certificate and save it, and the website was restored. I have been using cloudflare for several years and this situation has never occurred before. In the past few months, this situation has occurred twice.

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