how to use set_position_target of moveit_commander
how to use set_position_target of moveit_commander? because my robot only have 3 dof per leg(hexapod). my code : l1.set_position_target([-0.15,0.80,0.31], end_effector_link)
l1.go()
occur:LBKPIECE1: Unable to sample any valid states for goal tree.