kubectl describe cr -A

  Normal  IssuerNotFound      13m   cert-manager-certificaterequests-issuer-selfsigned  Referenced "Issuer" not found: issuer.cert-manager.io "letsencrypt-prod" not found

Solution: create Issuer (kind: Issuer) in the correct namespace.

• CSR

See also

• issuer.cert-manager.io
• CertificateRequest, kubectl get cr -A, kubectl describe cr -A, kubectl describe challenge -A