ERR_NGROK_PRIVATE_LINK_LIMIT_EXCEEDED: This account can have at most LIMIT private links - ngrok documentation

What does ERR_NGROK_PRIVATE_LINK_LIMIT_EXCEEDED mean?

ngrok returns ERR_NGROK_PRIVATE_LINK_LIMIT_EXCEEDED with this message:

This account can have at most <LIMIT> private links. Delete one before you create another.

Where can I get more help with ERR_NGROK_PRIVATE_LINK_LIMIT_EXCEEDED?

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