Cloudflare URL ipset list [Error 1]

I set up Cloudflare url ipset Cloudflare-IP-v4 on port 80,443

With automatic update on has this error:

2021-02-17 00:01:02 v-add-firewall-ipset ‘Cloudflare-IP-v4’ ‘’ ‘’ ‘’ ‘yes’ [Error 1]

Wouldn’t it be better to set these parameters by default in the ipset options list since accepting only Cloudflare’s IP allows you to limit DDoS attacks?

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