I am using usb_cam driver to use a camera. When i try to run the driver using *rosrun usb_cam usb_cam_node* , I get the following error.
[Screenshot from 2016-06-30 17:43:53.png](/upfiles/14673086668696815.png)
*Cannot identify '/dev/video0' : 2, No such file or directory*
Can i know how to fix this ?
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