LetsEncrypt / Cloudflare ACME cert wont issue

I’m trying to setup LetEncyrpt certs for a second TrueNAS 25.04.1 box. I’ve managed to set it up without an issue on the first box.

I’ve created and ACME DNS-Auth using Cloudflate for DNS challenge. I’ve checked the Token has the correct DNS Edit and Zone Read permissions on it.

I’ve setup the CSR in the same way I have on my other box. But when I use it to Create ACME cert, the dialog flashes up for about 2s and then disappears and nothing happens. The Jobs / Tasks page doesn’t offer much in the way of detail other than the ACME cert task failed.

What am I doing wrong?

[
{
"name": "cf-stage",
"csr_id": 9,
"tos": true,
"create_type": "CERTIFICATE_CREATE_ACME",
"renew_days": 10,
"acme_directory_uri": "https://acme-staging-v02.api.letsencrypt.org/directory",
"dns_mapping": {
"****.tld": 2,
"DNS:****.tld": 2,
"DNS:dell****.tld": 2
}
}
]
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Known bug. See:

and:

and as an alternative, consider:

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