add potential field method as a global planner plug-in

edit

hello, i tried to add this package. catkin_make works fine, there is no error. also source devel/setup.bash works fine.but when i change my base_global_planner in move_base.launch file, i have error message which is given below,

**[FATAL] [1495582169.111329483, 4256.310000000]: Failed to create the potential_field/potentialField planner, are you sure it is properly registered and that the containing library is built? Exception: According to the loaded plugin descriptions the class potential_field/potentialField with base class type nav_core::BaseGlobalPlanner does not exist. Declared types are carrot_planner/CarrotPlanner global_planner/GlobalPlanner navfn/NavfnROS

[move_base-1] process has died [pid 24627, exit code 1, cmd /opt/ros/indigo/lib/move_base/move_base __name:=move_base __log:=/home/hg/.ros/log/c3bbb38c-4008-11e7-9800-ac2b6ed5e4b3/move_base-1.log]. log**

i use this link

https://github.com/gonzalesMK/Potenti...

Edit: yes, i have no error while compiling. After compiling, i source my ws and it is okey. here it is mt cmake.txt file.

cmake_minimum_required(VERSION 2.8.3)
project(potential_field)

find_package(catkin REQUIRED COMPONENTS   
  nav_core 
  costmap_2d  
  geometry_msgs  
  move_base   
  nav_msgs  
  roscpp   
  sensor_msgs   
  std_msgs   
  tf )

catkin_package(CATKIN_DEPENDS nav_core costmap_2d geometry_msgs move_base nav_msgs roscpp sensor_msgs std_msgs tf )

include_directories( ${catkin_INCLUDE_DIRS} )

add_library( potential_field_lib src/potentialField_ROS.cpp)