I amt trying to do rosbag play -l laser.bag and after I tried the rqt_plot /laser_scan/ranges
but I don’t why I get a error saying that Plugin Manager could not load plugin. I aslo got a smiliar issue for the excerise 10.2 when I tried to add /joint_states/velocity in rqt_plot.
I am still facing the error infact this error is happen even for my previous excerise too. I tried the above steps you mentioned
rosservice call gazebo pause physics
The thing is now I cannot see the /topic that I am adding in rqt_plot by using that + sign not only this rosbag excerise but also for the previous Plot topic data excerise because whenever I use the plus sign in rqt_plot I get an attribute error. Below is the my error in terminal when I run the Plot topic data excerise. I am using the /topic that is mentioned in the excerise but still I cannot add it into my rqt_plot and moreover It throws an attribute error what wrong am I doing here.
Of course, I use the full roslaunch command with pkg_name and file.launch it was just to give to you an idea of steps I followed from your previous response.
And the ros version I use is ros noetic. Thank you clarifying the error in rosplot.py I tried to change the 200th line “string.atoi(str)” to “int(str)” but the thing is I don’t find this string.atoi function in 200th line. I think its time to contact the support team.
I tried the nano command which you suggested but that command was not found so I tried with sudo vim and edited the rosplot.py. But still I cannot add the topic in rqt_plot and terminal still throws a similar error like the previous one.