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RQT Crash opening the practice

Hello, i’m triying to run the exercise, and when I execute the roslaunch comand it opens Gazebo, but rqt crash, what can i do?

This is the eror:
[mouse/rqt_gui-9] process has died [pid 359, exit code -11, cmd /opt/ros/melodic/lib/rqt_gui/rqt_gui --perspective-file /opt/ros/melodic/share/jderobot_assets/perspectives/drone_teleop.perspective __name:=rqt_gui __log:=/root/.ros/log/6bad7712-80af-11ea-8044-0242ac110002/mouse-rqt_gui-9.log].
log file: /root/.ros/log/6bad7712-80af-11ea-8044-0242ac110002/mouse-rqt_gui-9*.log

Edit: i’ve triyed to kill all gzserver but still not working
Edit2: I can run rqt using rosrun rqt_gui rqt_gui but if i open the plugin for the drone, i get a segmentation fault

Hello,

This problem has already been reported and we are working on solving it. You can follow any update in this topic.

Pedro.