ERR_NGROK_346: Endpoint configuration IDs HTTPS module does not terminate TLS which is incompatible with a 'https' tunnel

What does ERR_NGROK_346 mean?

ngrok returns ERR_NGROK_346 with this message:

Endpoint configuration <ID>s HTTPS module does not terminate TLS which is incompatible with a 'https' tunnel. You may either:
  - Modify the endpoint configuration to enable the 'terminate_tls' option
  - OR start a 'tls' tunnel instead

Troubleshoot ERR_NGROK_346 with your AI agent. Connect it to the ngrok MCP server, then ask what caused the error and how to fix it.

Where can I get more help with ERR_NGROK_346?

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