roslaunch ocs2_mobile_manipulator_ros manipulator_franka.launch

[Wangzihao12ous]

roslaunch ocs2_mobile_manipulator_ros manipulator_franka.launch
erro:
RLException: Roslaunch got a 'No such file or directory' error while attempting to run:

gnome-terminal -- /home/wzh/ocs2_ws_1/devel/lib/ocs2_mobile_manipulator_ros/mobile_manipulator_dummy_mrt_node __name:=mobile_manipulator_dummy_mrt_node __log:=/home/wzh/.ros/log/053e6a08-bbca-11ef-9368-612a5cc215cc/mobile_manipulator_dummy_mrt_node-5.log

Please make sure that all the executables in this command exist and have
executable permission. This is often caused by a bad launch-prefix.
The traceback for the exception was written to the log file

How can i fix it?