15:29:49 Traceback (most recent call last):
File "/home/ubuntu/.local/share/FreeCAD/Mod/freecad.cross/freecad/cross/robot_proxy.py", line 231, in execute
self.set_joint_enum()
File "/home/ubuntu/.local/share/FreeCAD/Mod/freecad.cross/freecad/cross/robot_proxy.py", line 376, in set_joint_enum
child_links += get_possible_child_links(joint)
File "/home/ubuntu/.local/share/FreeCAD/Mod/freecad.cross/freecad/cross/robot_proxy.py", line 364, in get_possible_child_links
and link.Proxy.may_be_base_link()
File "/home/ubuntu/.local/share/FreeCAD/Mod/freecad.cross/freecad/cross/link_proxy.py", line 386, in may_be_base_link
return self.get_ref_joint() is None
File "/home/ubuntu/.local/share/FreeCAD/Mod/freecad.cross/freecad/cross/link_proxy.py", line 371, in get_ref_joint
and attr_equals(self._ref_joint, 'Child', ros_name(self.link))
File "/home/ubuntu/.local/share/FreeCAD/Mod/freecad.cross/freecad/cross/utils.py", line 77, in attr_equals
return hasattr(instance, attr) and getattr(instance, attr) == value
<class 'ReferenceError'>: Cannot access attribute 'Child' of deleted object
15:29:49 Recompute failed!
15:29:49 Traceback (most recent call last): File "/home/ubuntu/.local/share/FreeCAD/Mod/freecad.cross/freecad/cross/robot_proxy.py", line 231, in execute self.set_joint_enum() File "/home/ubuntu/.local/share/FreeCAD/Mod/freecad.cross/freecad/cross/robot_proxy.py", line 376, in set_joint_enum child_links += get_possible_child_links(joint) File "/home/ubuntu/.local/share/FreeCAD/Mod/freecad.cross/freecad/cross/robot_proxy.py", line 364, in get_possible_child_links and link.Proxy.may_be_base_link() File "/home/ubuntu/.local/share/FreeCAD/Mod/freecad.cross/freecad/cross/link_proxy.py", line 386, in may_be_base_link return self.get_ref_joint() is None File "/home/ubuntu/.local/share/FreeCAD/Mod/freecad.cross/freecad/cross/link_proxy.py", line 371, in get_ref_joint and attr_equals(self._ref_joint, 'Child', ros_name(self.link)) File "/home/ubuntu/.local/share/FreeCAD/Mod/freecad.cross/freecad/cross/utils.py", line 77, in attr_equals return hasattr(instance, attr) and getattr(instance, attr) == value <class 'ReferenceError'>: Cannot access attribute 'Child' of deleted object 15:29:49 Recompute failed!