ERR_NGROK_SHIP_POOL_SCALEWAY_ZONE_UNSUPPORTED: The 'zone' value ZONE is not a Scaleway instance zone - ngrok documentation

What does ERR_NGROK_SHIP_POOL_SCALEWAY_ZONE_UNSUPPORTED mean?

ngrok returns ERR_NGROK_SHIP_POOL_SCALEWAY_ZONE_UNSUPPORTED with this message:

The 'zone' value <ZONE> is not a Scaleway instance zone. Allowed: <ZONES>.

Where can I get more help with ERR_NGROK_SHIP_POOL_SCALEWAY_ZONE_UNSUPPORTED?

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