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RuntimeError: Unknown error while trying to spawn actor #4363

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@dbersan

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@dbersan

Carla version: 0.9.11

I tried following the tutorial to add Props to carla here. More specifically, I followed the "Ingestion in a build from source", i.e., I have a locally compiled Carla, which I run through Unreal Engine.

Added the files to the Import/ folder exactly like the tutorial described:

carla/
--Import/
----Package01/
----|--Package01.json
----|--Props/
----|--|--Ball/
----|--|--|--Ball.fbx

Package01.json:

{
    "maps": [
    ],
    "props": [
      {
        "name": "Football",
        "size": "small",
        "source": "./Props/Ball/Ball.fbx",
        "tag": "Other"
      }
    ]
  }

Used this object.

I ran make import, make PythonAPI and make launch in this order, and then started simulation inside Unreal Editor.

I tried spawning it (world.spawn_actor()...), even though it finds it on the Blueprint list (with blueprint_library.filter('static.prop.football')[0]), I get an error:

RuntimeError: Unknown error while trying to spawn actor

Also tried exporting it as a package and importing to a pre-compiled carla installation. Got the same error when trying to spawn.

edit: Tried with this object instead now. Didn't get any error, but I can't see anything spawned on the map.

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