mj_loadXML error: b'Error: engine error: Could not allocate memory'

[lwyncepu]

(cpo-pytorch-master) D:\2021\ReinforcementLearning\cpo-pytorch-master\cpo-pytorch-master>python train.py --model-name point_gather
train.py:32: YAMLLoadWarning: calling yaml.load() without Loader=... is deprecated, as the default Loader is unsafe. Please read https://msg.pyyaml.org/load for full details.
config = load(open(config_filename, 'r'))[model_name]
Traceback (most recent call last):
File "train.py", line 57, in
simulator = SinglePathSimulator(env_name, policy, n_trajectories, trajectory_len)
File "D:\2021\ReinforcementLearning\cpo-pytorch-master\cpo-pytorch-master\simulators.py", line 37, in init
**env_args)
File "D:\2021\ReinforcementLearning\cpo-pytorch-master\cpo-pytorch-master\autoassign.py", line 52, in decorated
return f(self, *args, **kwargs)
File "D:\2021\ReinforcementLearning\cpo-pytorch-master\cpo-pytorch-master\simulators.py", line 24, in init
self.env = np.asarray([make_env(env_name, **env_args) for i in range(n_trajectories)])
File "D:\2021\ReinforcementLearning\cpo-pytorch-master\cpo-pytorch-master\simulators.py", line 24, in
self.env = np.asarray([make_env(env_name, **env_args) for i in range(n_trajectories)])
File "D:\2021\ReinforcementLearning\cpo-pytorch-master\cpo-pytorch-master\simulators.py", line 16, in make_env
return PointGatherEnv(**env_args)
File "D:\2021\ReinforcementLearning\cpo-pytorch-master\cpo-pytorch-master\envs\point_gather.py", line 13, in init
sensor_span)
File "D:\2021\ReinforcementLearning\cpo-pytorch-master\cpo-pytorch-master\autoassign.py", line 52, in decorated
return f(self, *args, **kwargs)
File "D:\2021\ReinforcementLearning\cpo-pytorch-master\cpo-pytorch-master\envs\gather_env.py", line 31, in init
self.model = self.build_model(model_path)
File "D:\2021\ReinforcementLearning\cpo-pytorch-master\cpo-pytorch-master\envs\gather_env.py", line 67, in build_model
model = load_model_from_xml(model_xml)
File "cymj.pyx", line 147, in mujoco_py.cymj.load_model_from_xml
Exception:

Failed to load XML from file: C:\Users\***\AppData\Local\Temp\tmpt9hpp_y5.xml. mj_loadXML error: b'Error: engine error: Could not allocate memory'

Trying to run train.py , and this bug occurs. Can anybody help me with this ?

Thanks!

[lwyncepu]

What are all the requested packages to run this code? Can anybody share?
Thanks!

[TravisCao]

Same bugs for me

[SChrisLin]

You can make n_trajectories small, in config.yaml file, such as 10.