ERR_NGROK_4016: You may not create a new account because another account you were the administrator of was suspended

What does ERR_NGROK_4016 mean?

ngrok returns ERR_NGROK_4016 with this message:

You may not create a new account because another account you were the administrator of was suspended. Contact support@ngrok.com if you believe this is an error.

Troubleshoot ERR_NGROK_4016 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_4016?

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