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Unity-Technologies / ml-agents

The Unity Machine Learning Agents Toolkit (ML-Agents) is an open-source project that enables games and simulations to serve as environments for training intelligent agents using deep reinforcement learning and imitation learning.
https://unity.com/products/machine-learning-agents
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Crash when launching scene and mlagnets-learn #6091

Closed longdeadline closed 1 month ago

longdeadline commented 3 months ago

As soon as I start the scene it crashes, I don't know why, the mlagents-learn version matches the package version.


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 Version information:
  ml-agents: 0.30.0,
  ml-agents-envs: 0.30.0,
  Communicator API: 1.5.0,
  PyTorch: 1.11.0
[INFO] Listening on port 5004. Start training by pressing the Play button in the Unity Editor.
[INFO] Connected to Unity environment with package version 2.3.0-exp.3 and communication version 1.5.0
[ERROR] UnityEnvironment worker 0: environment raised an unexpected exception.
Traceback (most recent call last):
  File "/Users/ivan/MLAgents/venv/lib/python3.9/site-packages/mlagents/trainers/subprocess_env_manager.py", line 211, in worker
    env.reset()
  File "/Users/ivan/MLAgents/venv/lib/python3.9/site-packages/mlagents_envs/environment.py", line 323, in reset
    self._update_behavior_specs(outputs)
  File "/Users/ivan/MLAgents/venv/lib/python3.9/site-packages/mlagents_envs/environment.py", line 292, in _update_behavior_specs
    agent_infos = output.rl_output.agentInfos[brain_param.brain_name]
  File "/Users/ivan/MLAgents/venv/lib/python3.9/site-packages/google/protobuf/internal/containers.py", line 70, in __getitem__
    return self._values[key]
TypeError: list indices must be integers or slices, not str
Traceback (most recent call last):
  File "/Users/ivan/MLAgents/venv/bin/mlagents-learn", line 8, in <module>
    sys.exit(main())
  File "/Users/ivan/MLAgents/venv/lib/python3.9/site-packages/mlagents/trainers/learn.py", line 264, in main
    run_cli(parse_command_line())
  File "/Users/ivan/MLAgents/venv/lib/python3.9/site-packages/mlagents/trainers/learn.py", line 260, in run_cli
    run_training(run_seed, options, num_areas)
  File "/Users/ivan/MLAgents/venv/lib/python3.9/site-packages/mlagents/trainers/learn.py", line 136, in run_training
    tc.start_learning(env_manager)
  File "/Users/ivan/MLAgents/venv/lib/python3.9/site-packages/mlagents_envs/timers.py", line 305, in wrapped
    return func(*args, **kwargs)
  File "/Users/ivan/MLAgents/venv/lib/python3.9/site-packages/mlagents/trainers/trainer_controller.py", line 172, in start_learning
    self._reset_env(env_manager)
  File "/Users/ivan/MLAgents/venv/lib/python3.9/site-packages/mlagents_envs/timers.py", line 305, in wrapped
    return func(*args, **kwargs)
  File "/Users/ivan/MLAgents/venv/lib/python3.9/site-packages/mlagents/trainers/trainer_controller.py", line 105, in _reset_env
    env_manager.reset(config=new_config)
  File "/Users/ivan/MLAgents/venv/lib/python3.9/site-packages/mlagents/trainers/env_manager.py", line 68, in reset
    self.first_step_infos = self._reset_env(config)
  File "/Users/ivan/MLAgents/venv/lib/python3.9/site-packages/mlagents/trainers/subprocess_env_manager.py", line 446, in _reset_env
    ew.previous_step = EnvironmentStep(ew.recv().payload, ew.worker_id, {}, {})
  File "/Users/ivan/MLAgents/venv/lib/python3.9/site-packages/mlagents/trainers/subprocess_env_manager.py", line 101, in recv
    raise env_exception
TypeError: list indices must be integers or slices, not str
TaqiRaza512 commented 3 months ago

Dear! This is the same error I am getting on my side. I am also trying to setup mlagents in unity. If you find some remedy to it. Please share with me as well.

github-actions[bot] commented 2 months ago

This issue is stale because it has been open for 30 days with no activity.

github-actions[bot] commented 1 month ago

This issue was closed because it has been inactive for 14 days since being marked as stale. Please open a new issue for related bugs.