ERR_NGROK_SHIP_CHATBOT_CHANNEL_READ_UNAVAILABLE: We could not read channel CHANNEL from PROVIDER: REASON - ngrok documentation

What does ERR_NGROK_SHIP_CHATBOT_CHANNEL_READ_UNAVAILABLE mean?

ngrok returns ERR_NGROK_SHIP_CHATBOT_CHANNEL_READ_UNAVAILABLE with this message:

We could not read channel <CHANNEL> from <PROVIDER>: <REASON>

Where can I get more help with ERR_NGROK_SHIP_CHATBOT_CHANNEL_READ_UNAVAILABLE?

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