catkin build fail.

edit

sir I tried to build the package which is created at desktop workspace. i follow the following commands

1) mkdir -p /home/chhonkar/Desktop/imagews/src

2) cd /home/chhonkar/Desktop/imagews/src/

3) catkin_create_pkg pack1 roscpp std_msgs rospy

4) cd .. (reached to /home/chhonkar/Desktop/imagews)

5) catkin_make

But this create problem. build process is not successful. i got some error. here i am copy few part of error.

RuntimeError: Multiple packages found with the same name "ardrone_autonomy":
- ardrone_autonomy
- share/ardrone_autonomy
CMake Error at /opt/ros/indigo/share/catkin/cmake/safe_execute_process.cmake:11 (message):

  execute_process(/home/chhonkar/Desktop/imageproc/build/catkin_generated/env_cached.sh
  "/usr/bin/python" "/usr/bin/empy" "--raw-errors" "-F"
  "/home/chhonkar/Desktop/imageproc/build/catkin_generated/order_packages.py"
  "-o"
  "/home/chhonkar/Desktop/imageproc/build/catkin_generated/order_packages.cmake"
  "/opt/ros/indigo/share/catkin/cmake/em/order_packages.cmake.em") returned
  error code 1
Call Stack (most recent call first):
  /opt/ros/indigo/share/catkin/cmake/em_expand.cmake:25 (safe_execute_process)
  /opt/ros/indigo/share/catkin/cmake/catkin_workspace.cmake:29 (em_expand)
  CMakeLists.txt:63 (catkin_workspace)
-- Configuring incomplete, errors occurred!
See also "/home/chhonkar/Desktop/imageproc/build/CMakeFiles/CMakeOutput.log".
See also "/home/chhonkar/Desktop/imageproc/build/CMakeFiles/CMakeError.log".