Waiting [WinError 10061] No connection could be made because the target machine actively refused it

[Rakesh420]

I am getting the error when I run utopia_cyton.py.

Trying to auto-discover the utopia-hub server
making discovery object
Sending query message:
b'M-SEARCH * HTTP/1.1\r\nHOST: 239.255.255.250:1900\r\nMAN: "ssdp:discover"\r\nST: utopia/1.1\r\nMX: 5\r\n\r\n'
Waiting responses
Got response from : ('192.168.43.2', 1900)
M-SEARCH * HTTP/1.1
HOST: 239.255.255.250:1900
MAN: "ssdp:discover"
ST: utopia/1.1
MX: 5

Response matches server type: utopia/1.1
Loc added to response list: 192.168.43.2
Discovery returned 1 utopia-hub servers
Discovered utopia-hub on 192.168.43.2 ...
Tring to connect to: 192.168.43.2:8400
Trying to connect to: 192.168.43.2:8400
Connection refused... Waiting
[WinError 10061] No connection could be made because the target machine actively refused it.