ERR_NGROK_SHIP_POOL_RUNPOD_CPU_FLAVOR_NOT_FOUND: RunPod has no CPU flavor with the ID ID - ngrok documentation

What does ERR_NGROK_SHIP_POOL_RUNPOD_CPU_FLAVOR_NOT_FOUND mean?

ngrok returns ERR_NGROK_SHIP_POOL_RUNPOD_CPU_FLAVOR_NOT_FOUND with this message:

RunPod has no CPU flavor with the ID <ID>.

Where can I get more help with ERR_NGROK_SHIP_POOL_RUNPOD_CPU_FLAVOR_NOT_FOUND?

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