how fix

[morganinh4]

",))
2023-08-17 04:21:46 HTTPSConnectionPool(host='api.master.sentinel.co', port=443): Max retries exceeded with url: /node/update-connections (Caused by NewConnectionError('<urllib3.connection.HTTPSConnection object at 0x7fe98cd10f50>: Failed to establish a new connection: [Errno -2] Name does not resolve',))".

I'm trying to run on a mac x. I've tried using handyhost but it didn't work, I tried using docker and I'm having this problem! I don't know how to run. help pls.