Troubleshooting & messages · Licence, trial and sign-in messages
What does "Trial extensions aren't available right now" mean?
Short answer: Email-verified trial extensions are switched off at the moment, so none can be added. Your current trial is unaffected; choose a plan in Settings → License when it ends.
Extending the trial by verifying your email is switched off at the moment, so the extension can't be added. Your current trial is unaffected and keeps running for its remaining days.
When the trial ends you can still pick a plan from Settings → License. See licensing.