3. Troubleshooting - AmyPhung/ROS-Toolbox GitHub Wiki

Error 1:

Command: roslaunch simple_create create_world.launch

Error Message:

environment variable 'GAZEBO_RESOURCE_PATH' is not set
The traceback for the exception was written to the log file

Solution: export GAZEBO_RESOURCE_PATH=/path/to/catkin_ws/src/simple_create/worlds Mine was export GAZEBO_RESOURCE_PATH=/home/amy/catkin_ws/src/simple_create/worlds Currently only a temporary fix, to avoid having to re-do this every time edit .bashrc

Error 2:

Command: roslaunch simple_create create_world.launch

Error Message:

[create_world.launch] is neither a launch file in package [simple_create] nor is [simple_create] a launch file name
The traceback for the exception was written to the log file

Solution: source ~/catkin_ws/devel/setup.bash Currently only a temporary fix, to avoid having to re-do this every time edit .bashrc

Error 3:

Command: roslaunch simple_create create_world.launch

Error Message:

ImportError: No module named catkin_pkg.packages

Solution: pip install catkin_pkg

Error 4:

Command: roslaunch simple_create create_world.launch

Error Message:

ModuleNotFoundError: No module named 'rospkg'

Solution: pip install rospkg

Error 5:

Command: sudo apt-get install ros-kinetic-desktop-full

Error Message:

Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation:
The following packages have unmet dependencies: ros-kinetic-desktop-full : Depends: ros-kinetic-simulators but it is not going to be installed E: Unable to correct problems, you have held broken packages.

Solution: Make sure all ROS and Gazebo packages are completely uninstalled. To remove Gazebo: sudo apt-get remove '.*gazebo.*' '.*sdformat.*' '.*ignition-math.*' '.*ignition-msgs.*' '.*ignition-transport.*'