ERROR: Loader for controller 'panda_handleft_controller' (type 'position_controllers/GripperActionController') not found.

[Dheerajb07]

Hello,

When I do ros2 launch panda_ros2_moveit2 panda_interface.launch.py I see the following errors popup in the terminal:

[gzserver-1] [INFO] [1708910705.012805987] [controller_manager]: Loading controller 'panda_handleft_controller'
[gzserver-1] [ERROR] [1708910705.012848238] [controller_manager]: Loader for controller 'panda_handleft_controller' (type 'position_controllers/GripperActionController') not found.
[spawner-8] [FATAL] [1708910705.013261781] [spawner_panda_handleft_controller]: Failed loading controller panda_handleft_controller
[ERROR] [spawner-8]: process has died [pid 856, exit code 1, cmd '/opt/ros/humble/lib/controller_manager/spawner panda_handleft_controller -c /controller_manager --ros-args'].
[INFO] [spawner-9]: process started with pid [873]
[gzserver-1] [INFO] [1708910705.845959457] [controller_manager]: Loading controller 'panda_handright_controller'
[gzserver-1] [ERROR] [1708910705.846000115] [controller_manager]: Loader for controller 'panda_handright_controller' (type 'position_controllers/GripperActionController') not found.
[spawner-9] [FATAL] [1708910705.846419773] [spawner_panda_handright_controller]: Failed loading controller panda_handright_controller
[ERROR] [spawner-9]: process has died [pid 873, exit code 1, cmd '/opt/ros/humble/lib/controller_manager/spawner panda_handright_controller -c /controller_manager --ros-args'].

Also, when I try to send a goal to the /MoveG action it always fails. What I understand from this is that the gripper controllers are missing hence I cannot move the gripper.

How can I resolve this issue?