Hi, I follow the toturial this page and test using isaac sim UI to generate some humans in the stage.
I follow “To have the extension auto-loaded on startup, click the auto-load button in the extension manager.”.
But when I restart isaac sim ui launcher, it failed to load the AgentSDG automatically.
The output log from the terminal
“2024-06-20 04:41:04 [13,709ms] [Error] [asyncio] Exception in callback Extension.on_startup..done_callback( result=None>) at /home/tianshuaih/.local/share/ov/pkg/isaac-sim-4.0.0/extscache/omni.replicator.agent.ui-0.2.3/omni/replicator/agent/ui/extension.py:28
handle: <Handle Extension.on_startup..done_callback( result=None>) at /home/tianshuaih/.local/share/ov/pkg/isaac-sim-4.0.0/extscache/omni.replicator.agent.ui-0.2.3/omni/replicator/agent/ui/extension.py:28>
Traceback (most recent call last):
File “/home/tianshuaih/.local/share/ov/pkg/isaac-sim-4.0.0/kit/python/lib/python3.10/asyncio/events.py”, line 80, in _run
self._context.run(self._callback, *self._args)
File “/home/tianshuaih/.local/share/ov/pkg/isaac-sim-4.0.0/extscache/omni.replicator.agent.ui-0.2.3/omni/replicator/agent/ui/extension.py”, line 29, in done_callback
self.start_extension()
File “/home/tianshuaih/.local/share/ov/pkg/isaac-sim-4.0.0/extscache/omni.replicator.agent.ui-0.2.3/omni/replicator/agent/ui/extension.py”, line 61, in start_extension
self.variables[GLOBAL_VARIABLES.CORE_SIM_MANAGER] = SimulationManager()
File “/home/tianshuaih/.local/share/ov/pkg/isaac-sim-4.0.0/extscache/omni.replicator.agent.core-0.2.3/omni/replicator/agent/core/simulation.py”, line 74, in init
self._simulation_verification = SimulationVerification()
File “/home/tianshuaih/.local/share/ov/pkg/isaac-sim-4.0.0/extscache/omni.replicator.agent.core-0.2.3/omni/replicator/agent/core/verification.py”, line 20, in init
self.characters_parent_prim = stage.GetPrimAtPath(self.characters_parent_prim_path)
AttributeError: ‘NoneType’ object has no attribute ‘GetPrimAtPath’”