I am following the guides for Isaac Sim (Omniverse) and the Workflow tutorial that asks you to load the roboparty does nothing.
Console Output:
2021-11-23 18:29:56 [Error] [asyncio] [/home/coach/.local/share/ov/pkg/isaac_sim-2021.2.0/kit/python/lib/python3.7/asyncio/base_events.py:1619] Task exception was never retrieved
future: <Task finished coro=<BaseSampleExtension._on_load_world.<locals>._on_load_world_async() done, defined at /home/coach/.local/share/ov/pkg/isaac_sim-2021.2.0/exts/omni.isaac.examples/omni/isaac/examples/base_sample/base_sample_extension.py:161> exception=ArgumentError('Python argument types in\n None.GetPrimAtPath(Stage, NoneType)\ndid not match C++ signature:\n GetPrimAtPath(pxrInternal_v0_20__pxrReserved__::UsdStage {lvalue}, pxrInternal_v0_20__pxrReserved__::SdfPath path)')>
Traceback (most recent call last):
File "/home/coach/.local/share/ov/pkg/isaac_sim-2021.2.0/exts/omni.isaac.examples/omni/isaac/examples/base_sample/base_sample_extension.py", line 162, in _on_load_world_async
await self._sample.load_world_async()
File "/home/coach/.local/share/ov/pkg/isaac_sim-2021.2.0/exts/omni.isaac.examples/omni/isaac/examples/base_sample/base_sample.py", line 48, in load_world_async
await self._world.reset_async()
File "/home/coach/.local/share/ov/pkg/isaac_sim-2021.2.0/exts/omni.isaac.core/omni/isaac/core/world/world.py", line 196, in reset_async
task.set_up_scene(self.scene)
File "/home/coach/.local/share/ov/pkg/isaac_sim-2021.2.0/exts/omni.isaac.core/omni/isaac/core/tasks/stacking.py", line 66, in set_up_scene
scene.add_default_ground_plane()
File "/home/coach/.local/share/ov/pkg/isaac_sim-2021.2.0/exts/omni.isaac.core/omni/isaac/core/scenes/scene.py", line 162, in add_default_ground_plane
restitution=restitution,
File "/home/coach/.local/share/ov/pkg/isaac_sim-2021.2.0/exts/omni.isaac.core/omni/isaac/core/objects/ground_plane.py", line 77, in __init__
collision=True,
File "/home/coach/.local/share/ov/pkg/isaac_sim-2021.2.0/exts/omni.isaac.core/omni/isaac/core/prims/geometry_prim.py", line 57, in __init__
prim = get_prim_at_path(prim_path)
File "/home/coach/.local/share/ov/pkg/isaac_sim-2021.2.0/exts/omni.isaac.core/omni/isaac/core/utils/prims.py", line 28, in get_prim_at_path
return get_current_stage().GetPrimAtPath(prim_path)
Boost.Python.ArgumentError: Python argument types in
None.GetPrimAtPath(Stage, NoneType)
did not match C++ signature:
GetPrimAtPath(pxrInternal_v0_20__pxrReserved__::UsdStage {lvalue}, pxrInternal_v0_20__pxrReserved__::SdfPath path)