Subscription protocol version 0 is not implemented
The example of basic_api_test threw out an error when subscribing parameters from the the publishing server.
Motorcortex Robot Control library version: 0.4.0-7-gcea7605_debug
REQ connected to the server: ws://192.168.0.14:5558
Login to the server successful: ws://192.168.0.14:5558
Received parameter tree message: ws://192.168.0.14:5558
SUB connected to the server: ws://192.168.0.14:5557
terminate called after throwing an instance of 'std::runtime_error'
what(): Subscription protocol version 0 is not implemented
The nanomsg-1.1.4 and motorcortex-core-0.9.8-sim were already installed on Ubuntu 16.04.