ERR_NGROK_10101: Signup domains need the Identity & Access Governance Suite add-on

What does ERR_NGROK_10101 mean?

ngrok returns ERR_NGROK_10101 with this message:

Signup domains need the Identity & Access Governance Suite add-on. Add it to your plan at https://dashboard.ngrok.com/legacy/billing/subscription/add-ons, then request your domain again.

Troubleshoot ERR_NGROK_10101 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_10101?

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