При выполнении roslaunch rotors_gazebo three_multicopters_hovering_example.launch беседка частично открывается и в середине пути выдает ошибку, как показано ниже:
Service call failed: transport error completing service call: unable to receive data from sender, check sender's logs for details
Service call failed: transport error completing service call: unable to receive data from sender, check sender's logs for details
[ERROR] [1586019459.705659, 0.140000]: Spawn service failed. Exiting.
[ERROR] [1586019459.706020, 0.000000]: Spawn service failed. Exiting.
[gazebo-2] process has died [pid 12849, exit code 127, cmd /opt/ros/melodic/lib/gazebo_ros/gzserver -e ode /home/piyush/ros_ws3/src/rotors_simulator/rotors_gazebo/worlds/basic.world __name:=gazebo __log:=/home/piyush/.ros/log/627a709c-7695-11ea-a509-d0abd521f44e/gazebo-2.log].
log file: /home/piyush/.ros/log/627a709c-7695-11ea-a509-d0abd521f44e/gazebo-2*.log
[hummingbird/spawn_hummingbird-4] process has died [pid 12859, exit code 1, cmd /opt/ros/melodic/lib/gazebo_ros/spawn_model -param robot_description -urdf -x 0.0 -y 0.0 -z 0.1 -model hummingbird __name:=spawn_hummingbird __log:=/home/piyush/.ros/log/627a709c-7695-11ea-a509-d0abd521f44e/hummingbird-spawn_hummingbird-4.log].
Что мне теперь делать?