[ros2-12] [WARN] [1755084606.971484516] [_ros2cli_36364]: Could not contact service /arm1/controller_manager/load_controller
[ros2-12] [INFO] [1755084606.973530296] [_ros2cli_36364]: waiting for service /arm1/controller_manager/load_controller to become available...
multiple arms are shown in Gazebo but got this error