ERR_NGROK_18012: The description field cannot be longer than 255 characters

What does ERR_NGROK_18012 mean?

ngrok returns ERR_NGROK_18012 with this message:

The description field cannot be longer than 255 characters.

Troubleshoot ERR_NGROK_18012 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.