ERR_NGROK_5312: You are not a member of the configured authorized groups on the ngrok edge - ngrok documentation

What does ERR_NGROK_5312 mean?

ngrok returns ERR_NGROK_5312 with this message:

You are not a member of the configured authorized groups on the ngrok edge.

Where can I get more help with ERR_NGROK_5312?

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