ERR_NGROK_1421: The IP Policy Rule description exceeds the maximum length of MAX, got SIZE - ngrok documentation

What does ERR_NGROK_1421 mean?

ngrok returns ERR_NGROK_1421 with this message:

The IP Policy Rule description exceeds the maximum length of <MAX>, got <SIZE>.

Troubleshoot ERR_NGROK_1421 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_1421?

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