why my urdf file not open in moveit ? [closed]
~/catkin_ws$ roslaunch moveit_setup_assistant setup_assistant.launch i am getting this message "ROS was unable to find the package name '' within the ROS workspace. This may cause issues later."
process[moveit_setup_assistant-1]: started with pid [5911] Gtk-Message: 18:01:50.334: GtkDialog mapped without a transient parent. This is discouraged. [rospack] Error: package 'urdf_3dof' not found E: Unable to locate package ros-melodic-urdf_3dof[ INFO] [1613565228.311954694]: Loaded urdf_3dof robot model. [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found [rospack] Error: package 'urdf_3dof' not found