Hi Tan, You need to replace: YOUR_BEGINNER_TUTORIALS_PATH with an actual, valid, filesystem path. Hope this helps, Ken On Tue, Aug 10, 2010 at 6:49 AM, #TAN ZHI PING# wrote: >  Hi, >  I have encountered some problems when practicing with my tutorial : > Creating a ROS Package > This is my error report. > > ================================================================================ > snoopy@ubuntu:~$ roswtf > Loaded plugin tf.tfwtf > No package or stack in context > > Static checks summary: > > Found 1 error(s). > > ERROR Not all paths in ROS_PACKAGE_PATH > [YOUR_BEGINNER_TUTORIALS_PATH:/home/snoopy/ros-tutorials/ros_pkg_tutorials:/home/snoopy/ros-tutorials/ros_tutorials:/opt/ros/cturtle/stacks] > point to an existing directory: >  * YOUR_BEGINNER_TUTORIALS_PATH > > ================================================================================ > > I tried to solve this problem using Environment Setup and this is my output > > ================================================================================ > snoopy@ubuntu:~$ echo "source /opt/ros/boxturtle/setup.sh" >> ~/.bashrc > snoopy@ubuntu:~$ . ~/.bashrc > bash: /opt/ros/boxturtle/setup.sh: No such file or directory > bash: /opt/ros/boxturtle/setup.sh: No such file or directory > snoopy@ubuntu:~$ > ================================================================================ > > Does it means that my installation had failed? > > Thank for your help. > > > _______________________________________________ > ros-users mailing list > ros-users@code.ros.org > https://code.ros.org/mailman/listinfo/ros-users > >