ERR_NGROK_809: The remote ngrok agent failed to update because of an error: ERR

What does ERR_NGROK_809 mean?

ngrok returns ERR_NGROK_809 with this message:

The remote ngrok agent failed to update because of an error: <ERR>

Troubleshoot ERR_NGROK_809 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.