First,I have installed OpenNI < sudo apt-get install ros-indigo-openni-camera> Then,when i run: roslaunch rbx1vision openninode.launch It will occur: aicrobo@xty-K55VD:~$ roslaunch rbx1vision openninode.launch [openninode.launch] is neither a launch file in package [rbx1vision] nor is [rbx1_vision] a launch file name The traceback for the exception was written to the log file

Ubuntu 14.04 Why?Thanks