Error Regarding File PyIK.py from PyIk/src/PyIK.py

[nayanleo]

hie AliShug,
I refered your code and trying to use in my system(UBUNTU 14.04). when I compile PyIK.py file I'm getting Error as follows:

No 'Logs/' folder available: Performance logging disabled
Warning: shoulder servo not connected
Warning: elbow servo not connected
Warning: wrist_y servo not connected
Warning: wrist_x servo not connected
Warning: swing servo not connected
Rendering reachable volume...
Note: Spacebar toggles movement enable/disable
Traceback (most recent call last):
File "PyIK.py", line 413, in
app.tick()
File "PyIK.py", line 361, in tick
self.tickComms()
File "PyIK.py", line 223, in tickComms
self.sockOut.send(self.arm.getIKPose().serialize() + sensor)
socket.error: [Errno 111] Connection refused

since i'm trying to solve these errors but can you please explain why this happens.
Regards me,
As early as possible.