Why does gazebo11 load the controller model and fall into the ground?
When I loaded the model into gazebo, after I clicked the pause button, the model fell into the ground, became a mess, and seemed to overlap left and right, as shown in the figure below. And when I changed the damping friction, the robot was difficult to control and seemed to be very unsmooth.
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gazebo: error while loading shared libraries: libopenh264.so.5: cannot open shared object file: No such file or directory
When trying to use gazebo on ubuntu 20.04 with ros-noetic I got the error