ray.exceptions.RayActorError: The actor died unexpectedly before finishing this task.

[rzg258]

when i run :python cloth_funnels/run_sim.py
name="demo-single"
load=../models/longsleeve_canonicalized_alignment.pth
eval_tasks=../assets/tasks/longsleeve-single.hdf5
eval=True
num_processes=1
episode_length=10
wandb=disabled
fold_finish=True
dump_visualizations=True
I get the error:
ray.exceptions.RayActorError: The actor died unexpectedly before finishing this task.
class_name: SimEnv
actor_id: f4b3bd5ed7f3992b7dbf585311000000
pid: 49588
namespace: 8b3c8daa-6b3f-4c6b-81df-078112000288
ip: 10.202.9.99