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I think the best way you should follow is backing up your packages, deleting your catkin workspace and creating your workspace again with catkin_init_workspace . After you can put your packages back and run catkin_make. Do not forget to source your devel/setup.bash in your .bashrc file or running source /home/<username>/<catkin_ws>/devel/setup.bash in your terminal.

I think the best way you should follow is backing up your packages, deleting your catkin workspace and creating your workspace again with catkin_init_workspace . After you can put your packages back and run catkin_make. Do not forget to source your devel/setup.bash in your .bashrc file or running source /home/<username>/<catkin_ws>/devel/setup.bash in your terminal.

UPDATE

In your .bashrc, you should have:

source /opt/ros/indigo/setup.bash
source ~/ros/devel/setup.bash

Also, seems like your ROS_PACKAGE_PATH variable is outdated. In your terminal, can you run;

export ROS_PACKAGE_PATH=/home/adelleodel/ros/src:/opt/ros/indigo/share:/opt/ros/indigo/stacks