I want to know what this error means

2024-03-25 10:01:47 [9,387ms] [Warning] [omni.fabric.plugin] No source has valid data array=0x28d06810 usdValid=0 cpuValid=0
2024-03-25 10:01:47 [9,395ms] [Warning] [omni.fabric.plugin] No source has valid data array=0x28d6f068 usdValid=0 cpuValid=0
Module omni.replicator.core.ogn.python._impl.nodes.OgnSemanticSegmentation load on device ‘cuda:0’ took 3.12 ms
2024-03-25 10:01:50 [12,468ms] [Warning] [carb] [Plugin: omni.spectree.delegate.plugin] Module /home/user/.local/share/ov/pkg/isaac_sim-2023.1.1/kit/exts/omni.usd_resolver/bin/libomni.spectree.delegate.plugin.so remained loaded after unload request
2024-03-25 10:01:50 [12,471ms] [Warning] [omni.graph.core.plugin] Node type name ‘’ is missing the unique namespace
2024-03-25 10:01:50 [12,471ms] [Warning] [omni.stageupdate.plugin] Deprecated: direct use of IStageUpdate callbacks is deprecated. Use IStageUpdate::getStageUpdate instead.
2024-03-25 10:01:50 [12,471ms] [Warning] [omni.graph.core.plugin] Could not find category ‘Replicator:Annotators’ for removal
2024-03-25 10:01:50 [12,471ms] [Warning] [omni.graph.core.plugin] Could not find category ‘Replicator:Annotators’ for removal
2024-03-25 10:01:50 [12,471ms] [Warning] [omni.graph.core.plugin] Could not find category ‘Replicator:Annotators’ for removal
2024-03-25 10:01:50 [12,471ms] [Warning] [omni.graph.core.plugin] Could not find category ‘Replicator:Annotators’ for removal
2024-03-25 10:01:50 [12,471ms] [Warning] [omni.graph.core.plugin] Could not find category ‘Replicator:Annotators’ for removal
2024-03-25 10:01:50 [12,471ms] [Warning] [omni.graph.core.plugin] Could not find category ‘Replicator:Annotators’ for removal
2024-03-25 10:01:50 [12,471ms] [Warning] [omni.graph.core.plugin] Could not find category ‘Replicator:Annotators’ for removal
2024-03-25 10:01:50 [12,471ms] [Warning] [omni.graph.core.plugin] Could not find category ‘Replicator:Annotators’ for removal
2024-03-25 10:01:50 [12,471ms] [Warning] [omni.graph.core.plugin] Could not find category ‘Replicator:Annotators’ for removal
2024-03-25 10:01:50 [12,471ms] [Warning] [omni.graph.core.plugin] Could not find category ‘Replicator:Annotators’ for removal
2024-03-25 10:01:50 [12,471ms] [Warning] [omni.graph.core.plugin] Could not find category ‘Replicator:Annotators’ for removal
2024-03-25 10:01:50 [12,471ms] [Warning] [omni.graph.core.plugin] Could not find category ‘Replicator:Core’ for removal
2024-03-25 10:01:50 [12,474ms] [Error] [omni.graph.core.plugin] N4omni5graph4core4NodeE::getPointerFromHandle - handle 47 not found
2024-03-25 10:01:50 [12,475ms] [Warning] [carb.audio.context] 1 contexts were leaked
2024-03-25 10:01:50 [12,500ms] [Warning] [carb] Recursive unloadAllPlugins() detected!
2024-03-25 10:01:50 [12,505ms] [Warning] [omni.core.ITypeFactory] Module /home/user/.local/share/ov/pkg/isaac_sim-2023.1.1/kit/exts/omni.activity.core/bin/libomni.activity.core.plugin.so remained loaded after unload request.

@1878720579 i am just another user, but it would be helpful to elaborate more on the context and/or the steps leading up to the error.

Hi @1878720579 - Here’s a breakdown of the error message:

  • [Error]: Specifies that this is an error-level log message, indicating a serious issue that might disrupt normal operation or lead to unwanted behavior.
  • [omni.graph.core.plugin]: This identifies where the error is coming from. In this case, it originates from the OmniGraph core plugin.
  • N4omni5graph4core4NodeE::getPointerFromHandle: This is indicating a function call within the OmniGraph core plugin. It is a mangled name (due to name mangling in C++, which encodes additional information into the function name for linkage purposes) which corresponds to a method called getPointerFromHandle on a Node class or struct in the namespaces omni::graph::core.
  • handle 47 not found: The function getPointerFromHandle is trying to retrieve a pointer to a node based on a handle (a kind of internal reference or identifier), but the specific handle 47 cannot be found. This implies that the OmniGraph core is trying to access a node that either doesn’t exist or has been deleted.

This kind of error might occur for several reasons, such as:

  • A bug in the graph that references a node that has been deleted or never existed.
  • A synchronization issue where actions are executed in an unexpected order, leading to an attempt to access a node before it has been properly created or after it has been removed.
  • Corruption in the OmniGraph data, potentially from an unexpected shutdown or error in the application.
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