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This error is usually thrown because the mico controller isn't seen on your USB bus.
First, make sure you've put the udev rule in your udev folder and reboot.
Second, if you have a graphical interface on your machine you could try to install Kinova SDK. It comes with a software called DevelopmentCenter. Launch the DevelopmentCenter and try to connect to your robot.
If that's also not a success. Try the following lsusb or usb-devices to check if the controller is seen on the USB bus. If the controller isn't seen the most probable cause is that your Linux config allows your computer to auto-sleep the USB ports for power saving. You could try disabling this feature.
If all of the above fails, I'd suggest you try the software on another computer to confirm that the issue comes from your computer or the robot itself.
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