Wordpress: cf-edge-cache header missing error

Recently, the CF WP plugin keeps showing the error: “cf-edge-cache response header is missing! Please clear any server cache used via other plugins.”

I’ve cleared the server cache a bunch (Varnish cache and FlyingPress) and the error hasn’t cleared up.

Running the CURL test command yields:

< cf-cache-status: MISS
< cf-apo-via: origin,resnok
< cf-edge-cache: cache,platform=wordpress

Anything I can try? What am I missing?

I have been messing around with our server side caching plugins due to a plugin conflict with our contact form.

Thanks.

All you need to see from the your site, you can ignore the warning.

The warning is a simple fetch which checks cf-edge-cache.

Ok thanks. It seemed weird because the hit rate in Analytics was 95%+.

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