urg_node error

[qigemingzhentmfeijin]

When I try to run roslaunch
It gives error
[ INFO] [1508379073.935796538]: Connected to network device with ID: H1630569
[ INFO] [1508379073.948971760]: Starting calibration. This will take a few seconds.
[ WARN] [1508379073.949088653]: Time calibration is still experimental.
[ INFO] [1508379074.950741097]: Calibration finished. Latency is: -0.0210.
terminate called after throwing an instance of 'std::length_error'
what(): basic_string::_M_create

Any idea what is that?