ERR_NGROK_27703: The base_url field cannot be longer than 2048 characters

What does ERR_NGROK_27703 mean?

ngrok returns ERR_NGROK_27703 with this message:

The base_url field cannot be longer than 2048 characters. was <REQLEN>

Troubleshoot ERR_NGROK_27703 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.