Error 522 is only fixed by turning dev mode on


I’m facing intermittent 522 and 502 errors with some resources in my website.
All works fine for a week or two and then some resources don’t load anymore with 522 or 502 errors.

I have already contacted my origin server host provider and there’s no issue with their servers. Also, the Cloudflare IPs are whitelisted there.

Now I found out that only when I activate development mode on Cloudflare, my website loads everything with no errors. When Dev mode goes off the problems surface again.
Even purge cache does not solve the issues, only Dev Mode ON.

Does anyone have any clue of what I can do to solve these issues?


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