Why is Google Storage not working and I'm getting error?

I have multiple apps in Cloudflare that have Google Storage connected. All applications in DNS have this line:

CNAME   files   c.storage.googleapis.com   TTL Auto   Proxied

And for all domains (applications) except one, images are successfully opened. And in general, XML with a list of all files opens at the files.xxx.com addresses.

At one address, I am getting this error:


Can you please tell me what is the problem? The nginx server, from my side, clearly has nothing to do with it. There is something clearly on the side of Cloudflare, but I can’t figure out what exactly. I really have 4 applications working successfully now, and the 5th one is not.

It was necessary to enable this option: