AttributeError: 'NoneType' object has no attribute 'is_system'

[Roythescientist]

I was configuring a scene and had had 'online_object_sampling' : True
here is my log file:

2024-11-07 22:26:17 [9,155ms] [Warning] [omni.syntheticdata.plugin] SdRenderVarPtr missing valid input renderVar LdrColorSDhost
[INFO] [omnigibson.simulator] Imported scene 0.
[WARNING] [omnigibson.robots.fetch] Fetch wheel links are post-processed to use sphere approximation collision meshes. Please ignore any previous errors about these collision meshes.
2024-11-07 22:26:18 [11,080ms] [Warning] [omnigibson.robots.fetch] Fetch wheel links are post-processed to use sphere approximation collision meshes. Please ignore any previous errors about these collision meshes.
[WARNING] [omnigibson.robots.fetch] Fetch wheel links are post-processed to use sphere approximation collision meshes. Please ignore any previous errors about these collision meshes.
2024-11-07 22:26:18 [11,081ms] [Warning] [omnigibson.robots.fetch] Fetch wheel links are post-processed to use sphere approximation collision meshes. Please ignore any previous errors about these collision meshes.
[ERROR] [omnigibson.utils.bddl_utils] initial_pre-sampling: Room type [living_room] of scene [Ihlen_0_int] do not contain or cannot sample all the objects needed.
The following are the possible room instances for each object, the intersection of which is an empty set.
floor.n.01_1: living_room_0
table.n.02_1:

2024-11-07 22:26:20 [12,576ms] [Error] [omnigibson.utils.bddl_utils] initial_pre-sampling: Room type [living_room] of scene [Ihlen_0_int] do not contain or cannot sample all the objects needed.
The following are the possible room instances for each object, the intersection of which is an empty set.
floor.n.01_1: living_room_0
table.n.02_1:

2024-11-07 22:26:20 [12,615ms] [Warning] [carb] Client omni.kit.viewport.legacy_gizmos has acquired [carb::settings::ISettings v1.0] 100 times. Consider accessing this interface with carb::getCachedInterface() (Performance warning)
2024-11-07 22:26:20 [12,705ms] [Warning] [carb] Client omni.kit.viewport.legacy_gizmos has acquired [carb::dictionary::IDictionary v1.1] 100 times. Consider accessing this interface with carb::getCachedInterface() (Performance warning)
Traceback (most recent call last):
File "/home/Austine/OmniGibson/vlm-tamp/eval.py", line 1059, in
env = og.Environment(configs=config)
File "/home/Austine/OmniGibson/omnigibson/utils/python_utils.py", line 93, in wrapper
func(*values.args, **values.kwargs)
File "/home/Austine/OmniGibson/omnigibson/envs/env_base.py", line 133, in init
self.post_play_load()
File "/home/Austine/OmniGibson/omnigibson/envs/env_base.py", line 438, in post_play_load
self.task.post_play_load(env=self)
File "/home/Austine/OmniGibson/omnigibson/tasks/task_base.py", line 133, in post_play_load
obs = self.get_obs(env=env, flatten_low_dim=True)
File "/home/Austine/OmniGibson/omnigibson/tasks/task_base.py", line 333, in get_obs
low_dim_obs, obs = self._get_obs(env=env)
File "/home/Austine/OmniGibson/omnigibson/tasks/behavior_task.py", line 378, in _get_obs
objs_exist = {obj: obj.exists for obj in self.object_scope.values() if not obj.is_system}
File "/home/Austine/OmniGibson/omnigibson/tasks/behavior_task.py", line 378, in
objs_exist = {obj: obj.exists for obj in self.object_scope.values() if not obj.is_system}
AttributeError: 'NoneType' object has no attribute 'is_system'
2024-11-07 22:26:21 [13,517ms] [Warning] [carb] [Plugin: omni.sensors.tiled.plugin] Module /home/Austine/anaconda3/envs/omnigibson/lib/python3.10/site-packages/isaacsim/extscache/omni.sensors.tiled-0.0.4+106.0.0.lx64.r/bin/libomni.sensors.tiled.plugin.so remained loaded after unload request
2024-11-07 22:26:21 [13,521ms] [Warning] [carb] [Plugin: omni.spectree.delegate.plugin] Module /home/Austine/anaconda3/envs/omnigibson/lib/python3.10/site-packages/isaacsim/extscache/omni.usd_resolver/bin/libomni.spectree.delegate.plugin.so remained loaded after unload request
2024-11-07 22:26:21 [13,523ms] [Warning] [omni.graph.core.plugin] Could not find category 'Replicator:Annotators' for removal
2024-11-07 22:26:21 [13,523ms] [Warning] [omni.graph.core.plugin] Could not find category 'Replicator:Annotators' for removal
2024-11-07 22:26:21 [13,523ms] [Warning] [omni.graph.core.plugin] Could not find category 'Replicator:Annotators' for removal
2024-11-07 22:26:21 [13,523ms] [Warning] [omni.graph.core.plugin] Could not find category 'Replicator:Annotators' for removal
2024-11-07 22:26:21 [13,523ms] [Warning] [omni.graph.core.plugin] Could not find category 'Replicator:Annotators' for removal
2024-11-07 22:26:21 [13,523ms] [Warning] [omni.graph.core.plugin] Could not find category 'Replicator:Annotators' for removal
2024-11-07 22:26:21 [13,523ms] [Warning] [omni.graph.core.plugin] Could not find category 'Replicator:Annotators' for removal
2024-11-07 22:26:21 [13,523ms] [Warning] [omni.graph.core.plugin] Could not find category 'Replicator:Annotators' for removal
2024-11-07 22:26:21 [13,523ms] [Warning] [omni.graph.core.plugin] Could not find category 'Replicator:Annotators' for removal
2024-11-07 22:26:21 [13,523ms] [Warning] [omni.graph.core.plugin] Could not find category 'Replicator:Annotators' for removal
2024-11-07 22:26:21 [13,524ms] [Warning] [omni.graph.core.plugin] Could not find category 'Replicator:Annotators' for removal
2024-11-07 22:26:21 [13,524ms] [Warning] [omni.graph.core.plugin] Could not find category 'Replicator:Core' for removal
2024-11-07 22:26:21 [13,742ms] [Warning] [carb] Client omni.syntheticdata.plugin Failed to acquire interface [omni::graph::core::INode v4.10] while unloading all plugins
Fatal Python error: Segmentation fault

[Roythescientist]

@cgokmen