Cloudfront setup error: error retrieving DNS records

[zetxek]

When trying to setup Cloudfront I'm getting this error:

There was an error retrieving DNS records for validating domain ownership. Try again. 

The following response was returned:
Caught exception in method AmazonAI_Cloudformation::get_dv_dns_info in class AmazonAI_Cloudformation:
Found 1 error while validating the input provided for the DescribeCertificate operation: [CertificateArn] expected string length to be >= 20, but found string length of 0

Environment:

• Bitnami wordpress distribution in Lightsail
• PHP v7.3.11
• Domain hosted in cloudflare (proxy off, DNS only)

What does it mean, and how can I solve it? There are not many instructions to follow up.

[Phipsomatik]

You are not alone with this issue. Unfortunately the "normal" support (not premium) from AWS could not help me. Have you found a solution for the issue in the meantime?

[zetxek]

@Phipsomatik I created the Cloudfront distribution myself.

[omdelcastillo]

The same scenario happened to me but then I let go with a click again on Retry.
In the end if I manage to configure