ERR_NGROK_3110: The email permission from PROVIDER was not granted but is required

What does ERR_NGROK_3110 mean?

ngrok returns ERR_NGROK_3110 with this message:

The email permission from <PROVIDER> was not granted but is required. Ensure that the email permission is granted.

Troubleshoot ERR_NGROK_3110 with your AI agent. Connect it to the ngrok MCP server, then ask what caused the error and how to fix it.

Email support@ngrok.com and include the error code.