ERR_NGROK_1100
Message
No public keys were sent for this SSH tunnel. Configure SSH with public key authentication and register your keys at https://dashboard.ngrok.com/tunnels/ssh-keys
Upgrade to a Pro or Enterprise plan at: https://dashboard.ngrok.com/billing/subscription to enable SSH tunnels.
Further help
If you're having trouble resolving this error, please reach out to support@ngrok.com