ERROR: cannot launch node of type [ur_modern_driver/ur_driver]: ur_modern_driver

[mahaidong]

i use the driver from

ros-industrial /universal_robot https://github.com/ros-industrial/universal_robot

and

i also check the ur_modern_driver , it said "ur_modern_driver - Deprecated" https://github.com/ros-industrial/ur_modern_driver

[dniewinski]

Yes, the ur_modern driver has been deprecated, and this package hasn't been updated yet. You can build it from source from the forks on my github page