ERR_NGROK_221: This is a valid API token, but the account ACCOUNT is not authorized to submit or view abuse reports - ngrok documentation

What does ERR_NGROK_221 mean?

ngrok returns ERR_NGROK_221 with this message:

This is a valid API token, but the account <ACCOUNT> is not authorized to submit or view abuse reports. Email support@ngrok.com if you believe this is an error.

Where can I get more help with ERR_NGROK_221?

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