ERR_NGROK_SHIP_ENVIRONMENT_POOL_IDS_REQUIRED: The 'pools' list must include at least one pool - ngrok documentation

What does ERR_NGROK_SHIP_ENVIRONMENT_POOL_IDS_REQUIRED mean?

ngrok returns ERR_NGROK_SHIP_ENVIRONMENT_POOL_IDS_REQUIRED with this message:

The 'pools' list must include at least one pool.

Where can I get more help with ERR_NGROK_SHIP_ENVIRONMENT_POOL_IDS_REQUIRED?

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