Set the follow-up wait to between 1 and 1380 minutes (23 hours).
WhatsApp only allows a free-form reply within 24 hours of the customer's last message, so a No-reply follow-up can wait at most 1380 minutes (23 hours). Automations saved earlier with a longer wait run at 23 hours.
Enter a whole number of minutes from 1 to 1380.
Try creating the automation again.
Still stuck? Send AVX-3117 to hello@theavoxai.com along with what you were doing when it happened.