30120: Domain certificate and private key are not uploaded

Twilio returns this when a Link Shortening domain has not had its TLS certificate and private key uploaded yet. Upload the certificate material before you use the domain for link shortening.

• You haven't uploaded a TLS certificate/private key pair for the Link Shortening domain.
• You haven't completed the certificate upload step for the domain, so Twilio can't validate it yet.

• Upload the TLS certificate and private key in Console under Upload certificate, then click Upload. Make sure the certificate starts with -----BEGIN CERTIFICATE----- and the private key starts with -----BEGIN PRIVATE KEY-----.
• If you use the API, POST the concatenated certificate and private key to the domain's Certificate subresource in TlsCert.
• Wait for validation to complete before retrying. Certificate validation can take up to five minutes, and Twilio returns a pending cert_in_validation.status while validation is in progress.

• Link Shortening onboarding guide
• Debugging Your Twilio Application