I tried to use kinect with Segbot code and it gave me the following error. Any leads will be appreciated

process[navkinectscanmanager-12]: started with pid [24625] [FATAL] [1403708496.970454493]: Service call failed! [FATAL] [1403708496.971306067]: Service call failed! [FATAL] [1403708496.971948188]: Service call failed! [FATAL] [1403708496.972577528]: Service call failed! [navkinect/navkinectnodeletmanager-3] process has died [pid 24445, exit code -4, cmd /opt/ros/hydro/lib/nodelet/nodelet manager _name:=navkinectnodeletmanager _log:=/home/magda/.ros/log/982f54d8-fc79-11e3-97d0-0012f0715daf/navkinect-navkinectnodeletmanager-3.log]. log file: /home/magda/.ros/log/982f54d8-fc79-11e3-97d0-0012f0715daf/navkinect-navkinectnodeletmanager-3.log [ INFO] [1403708497.120412740]: Initializing nodelet with 1 worker threads. [navkinect/depthrectifydepth-5] process has died [pid 24485, exit code 255, cmd /opt/ros/hydro/lib/nodelet/nodelet load imageproc/rectify navkinectnodeletmanager --no-bond imagemono:=depth/imageraw imagerect:=depth/imagerectraw _name:=depthrectifydepth _log:=/home/magda/.ros/log/982f54d8-fc79-11e3-97d0-0012f0715daf/navkinect-depthrectifydepth-5.log]. log file: /home/magda/.ros/log/982f54d8-fc79-11e3-97d0-0012f0715daf/navkinect-depthrectifydepth-5.log [navkinect/depthmetricrect-6] process has died [pid 24503, exit code 255, cmd /opt/ros/hydro/lib/nodelet/nodelet load depthimageproc/convertmetric navkinectnodeletmanager --no-bond imageraw:=depth/imagerectraw image:=depth/imagerect _name:=depthmetricrect _log:=/home/magda/.ros/log/982f54d8-fc79-11e3-97d0-0012f0715daf/navkinect-depthmetricrect-6.log]. log file: /home/magda/.ros/log/982f54d8-fc79-11e3-97d0-0012f0715daf/navkinect-depthmetricrect-6*.log process[kinectlaser-13]: started with pid [24658] [navkinect/depthmetric-7] process has died [pid 24518, exit code 255, cmd /opt/ros/hydro/lib/nodelet/nodelet load depthimageproc/convertmetric navkinectnodeletmanager --no-bond imageraw:=depth/imageraw image:=depth/image _name:=depthmetric _log:=/home/magda/.ros/log/982f54d8-fc79-11e3-97d0-0012f0715daf/navkinect-depthmetric-7.log]. log file: /home/magda/.ros/log/982f54d8-fc79-11e3-97d0-0012f0715daf/navkinect-depthmetric-7*.log [navkinect/depthpoints-8] process has died [pid 24533, exit code 255, cmd /opt/ros/hydro/lib/nodelet/nodelet load depthimageproc/pointcloudxyz navkinectnodeletmanager --no-bond imagerect:=depth/imagerectraw points:=depth/points _name:=depthpoints _log:=/home/magda/.ros/log/982f54d8-fc79-11e3-97d0-0012f0715daf/navkinect-depthpoints-8.log]. log file: /home/magda/.ros/log/982f54d8-fc79-11e3-97d0-0012f0715daf/navkinect-depthpoints-8*.log