ERR_NGROK_1911: The provided data is a valid PEM, but it has an unexpected type: TYPE

What does ERR_NGROK_1911 mean?

ngrok returns ERR_NGROK_1911 with this message:

The provided data is a valid PEM, but it has an unexpected type: <TYPE>. It must be "CERTIFICATE".

Troubleshoot ERR_NGROK_1911 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.